mc: https:/www.mcjs.cc/com mc2: https:/www.en............./com

#include<bits/stdc++.h>
using namespace std;
string s1,s2;
int a[505]={0},b[505]={0},len1,len2,c[505]={0},ml;
bool f=0;
void z_h(){
	for(int i=0;i<len1;i++)a[i]=s1[len1-1-i]-'0';
	for(int i=0;i<len2;i++)b[i]=s2[len2-1-i]-'0';
	//for(int i=0;i<len1;i++)cout<<a[i];
	//for(int i=0;i<len2;i++)cout<<b[i];
}
void x_j(){
	ml=max(len1,len2);
	int carry=0;
	for(int i=0;i<ml;i++){
		int sum=a[i]+b[i]+carry;
		c[i]=sum%10;
		carry=sum/10;
	}
	if(carry){
		c[ml]=carry;
		ml++;
		f=1;
	}
}
int s_c(){
	for(int i=ml-1;i>=0;i--)cout<<c[i];
}
int main(){
	cin>>s1>>s2;
	len1=s1.size();
	len2=s2.size();
	z_h();
	x_j();
	s_c();
	return 0;
}

Delta Force.2.11 仅C++11可用

#include<bits/stdc++.h>
#include <iostream>
#include <conio.h>
#include <windows.h>
#include <vector>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <algorithm>
#include <string>

using namespace std;

// ---------- 控制台辅助 ----------
void gotoxy(int x, int y) {
    COORD coord;
    coord.X = x;
    coord.Y = y;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}

void hideCursor() {
    CONSOLE_CURSOR_INFO cursorInfo;
    GetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursorInfo);
    cursorInfo.bVisible = false;
    SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursorInfo);
}

// ---------- 火柴人 ----------
const char* stickman[3] = {
    " O ",
    "/|\\",
    "/ \\"
};

// ---------- 数据结构 ----------
struct Point {
    int x, y;
    Point(int x = 0, int y = 0) : x(x), y(y) {}
};

struct Enemy {
    Point pos;
    bool alive;
    Enemy(int x, int y) : pos(x, y), alive(true) {}
};

struct Bullet {
    Point pos;
    float dx, dy;
    int speed;
    bool active;
    Bullet(Point start, Point target, int spd = 8) {
        pos = start;
        float len = sqrt((target.x - start.x)*(target.x - start.x) + (target.y - start.y)*(target.y - start.y));
        if (len < 0.01f) len = 1.0f;
        dx = (target.x - start.x) / len;
        dy = (target.y - start.y) / len;
        speed = spd;
        active = true;
    }
    void update() {
        pos.x += (int)(dx * speed);
        pos.y += (int)(dy * speed);
    }
};

struct ExtractionPoint {
    Point pos;
    ExtractionPoint(int x, int y) : pos(x, y) {}
};
// ---------- 收集品 ----------
class Collectible {
public:
    string name;
    double price;   // 改用 double，避免 long long 兼容问题
    Collectible(string n, double p) : name(n), price(p) {}
    virtual ~Collectible() {}
};

// 具体收集品（价格用浮点数，显示时会取整）
class AfricanHeart : public Collectible {
public:
    AfricanHeart() : Collectible("非洲之心", 13000000.0) {}
};
class Resuscitator : public Collectible {
public:
    Resuscitator() : Collectible("复苏呼吸机", 6000000.0) {}
};
class MilitaryRadar : public Collectible {
public:
    MilitaryRadar() : Collectible("便携军用雷达", 2100000.0) {}
};
class QuantumStorage : public Collectible {
public:
    QuantumStorage() : Collectible("量子存储", 270000.0) {}
};
class ExperimentalData : public Collectible {
public:
    ExperimentalData() : Collectible("实验数据", 240000.0) {}
};
class MechanicalWatch : public Collectible {
public:
    MechanicalWatch() : Collectible("名贵机械表", 210000.0) {}
};
class Laptop : public Collectible {
public:
    Laptop() : Collectible("笔记本电脑", 100000.0) {}
};
class MilitaryShell : public Collectible {
public:
    MilitaryShell() : Collectible("军用炮弹", 50000.0) {}
};
class Bandage : public Collectible {
public:
    Bandage() : Collectible("绷带", 1000.0) {}
};
class Painkiller : public Collectible {
public:
    Painkiller() : Collectible("止痛药", 2000.0) {}
};
class Screw : public Collectible {
public:
    Screw() : Collectible("螺丝", 500.0) {}
};
class Tape : public Collectible {
public:
    Tape() : Collectible("胶带", 800.0) {}
};
class Document : public Collectible {
public:
    Document() : Collectible("机密文件", 5000.0) {}
};
// ---------- 容器类型 ----------
enum ContainerType {
    CRATE_TYPE,
    WEAPON_BOX_TYPE,
    MEDICAL_BOX_TYPE,
    SAFE_TYPE,
    FILE_CABINET_TYPE,
    TOOLBOX_TYPE
};

string getContainerSymbol(ContainerType type) {
    switch(type) {
        case CRATE_TYPE: return "[箱]";
        case WEAPON_BOX_TYPE: return "[武]";
        case MEDICAL_BOX_TYPE: return "[医]";
        case SAFE_TYPE: return "[险]";
        case FILE_CABINET_TYPE: return "[柜]";
        case TOOLBOX_TYPE: return "[具]";
        default: return "[箱]";
    }
}

Collectible* generateItemByContainer(ContainerType type) {
    int r = rand() % 100;
    switch(type) {
        case SAFE_TYPE:
            if (r < 15) return new AfricanHeart();
            else if (r < 30) return new Resuscitator();
            else if (r < 45) return new MilitaryRadar();
            else if (r < 60) return new QuantumStorage();
            else if (r < 75) return new ExperimentalData();
            else if (r < 85) return new MechanicalWatch();
            else if (r < 95) return new Laptop();
            else return new MilitaryShell();
        case WEAPON_BOX_TYPE:
            if (r < 5) return new AfricanHeart();
            else if (r < 12) return new MilitaryRadar();
            else if (r < 22) return new QuantumStorage();
            else if (r < 35) return new MilitaryShell();
            else if (r < 50) return new Laptop();
            else return new Screw();
        case MEDICAL_BOX_TYPE:
            if (r < 5) return new Resuscitator();
            else if (r < 15) return new ExperimentalData();
            else if (r < 30) return new MechanicalWatch();
            else if (r < 50) return new Bandage();
            else return new Painkiller();
        case FILE_CABINET_TYPE:
            if (r < 2) return new AfricanHeart();
            else if (r < 6) return new QuantumStorage();
            else if (r < 12) return new ExperimentalData();
            else if (r < 25) return new Document();
            else return new Tape();
        case TOOLBOX_TYPE:
            if (r < 3) return new MilitaryRadar();
            else if (r < 10) return new Laptop();
            else if (r < 25) return new Screw();
            else return new Tape();
        default: // CRATE_TYPE
            if (r < 2) return new AfricanHeart();
            else if (r < 5) return new Resuscitator();
            else if (r < 9) return new MilitaryRadar();
            else if (r < 14) return new QuantumStorage();
            else if (r < 20) return new ExperimentalData();
            else if (r < 27) return new MechanicalWatch();
            else if (r < 35) return new Laptop();
            else if (r < 45) return new MilitaryShell();
            else if (r < 60) return new Document();
            else return new Bandage();
    }
}

struct Box {
    Point pos;
    bool isOpen;
    ContainerType type;
    Collectible* item;
    
    Box(int x, int y, bool open = false, ContainerType t = CRATE_TYPE) 
        : pos(x, y), isOpen(open), type(t), item(NULL) 
    {
        if (!isOpen) {
            item = generateItemByContainer(type);
        }
    }
    
 ~Box() {
        delete item;
    }
    
private:
    Box(const Box&);
    Box& operator=(const Box&);
};

// ---------- 全局变量 ----------
Point manPos(40, 12);
vector<Enemy> enemies;
vector<Box> boxes;
vector<Bullet> bullets;
ExtractionPoint extraction(70, 20);
int playerHealth = 3;
int bulletSpeed = 8;
const int MAX_HEALTH = 3;
double totalValue = 0.0;
bool gameOver = false;
bool gameWin = false;

const int SCREEN_W = 80;
const int SCREEN_H = 25;

// ---------- 辅助函数 ----------
float distance(const Point& a, const Point& b) {
    return sqrt((a.x - b.x)*(a.x - b.x) + (a.y - b.y)*(a.y - b.y));
}

int findNearestEnemy(const Point& from) {
    if (enemies.empty()) return -1;
    int nearestIdx = -1;
    float minDist = 1e9;
    for (size_t i = 0; i < enemies.size(); i++) {
        if (!enemies[i].alive) continue;
        Point enemyCenter(enemies[i].pos.x + 1, enemies[i].pos.y + 1);
        float d = distance(from, enemyCenter);
        if (d < minDist) {
            minDist = d;
            nearestIdx = i;
        }
    }
    return nearestIdx;
}

void shoot() {
    Point manCenter(manPos.x + 1, manPos.y + 1);
    int targetIdx = findNearestEnemy(manCenter);
    if (targetIdx != -1) {
        Point enemyCenter(enemies[targetIdx].pos.x + 1, enemies[targetIdx].pos.y + 1);
        bullets.push_back(Bullet(manCenter, enemyCenter, bulletSpeed));
    }
}

void updateBullets() {
    for (int i = 0; i < (int)bullets.size(); ) {
        bullets[i].update();
        if (bullets[i].pos.x < 0 || bullets[i].pos.x >= SCREEN_W || bullets[i].pos.y < 0 || bullets[i].pos.y >= SCREEN_H) {
            bullets.erase(bullets.begin() + i);
            continue;
        }
        bool hit = false;
        for (int j = 0; j < (int)enemies.size(); j++) {
            if (!enemies[j].alive) continue;
            if (bullets[i].pos.x >= enemies[j].pos.x && bullets[i].pos.x <= enemies[j].pos.x + 2 &&
                bullets[i].pos.y >= enemies[j].pos.y && bullets[i].pos.y <= enemies[j].pos.y + 1) {
                // 敌人死亡，生成随机容器
                int rt = rand() % 100;
                ContainerType t;
                if (rt < 40) t = CRATE_TYPE;
                else if (rt < 55) t = WEAPON_BOX_TYPE;
                else if (rt < 70) t = MEDICAL_BOX_TYPE;
                else if (rt < 80) t = SAFE_TYPE;
                else if (rt < 90) t = FILE_CABINET_TYPE;
                else t = TOOLBOX_TYPE;
                boxes.push_back(Box(enemies[j].pos.x, enemies[j].pos.y, false, t));
                enemies[j].alive = false;
                hit = true;
                break;
            }
        }
        if (hit) {
            bullets.erase(bullets.begin() + i);
        } else {
            i++;
        }
    }
   // 移除死亡敌人
    for (int i = 0; i < (int)enemies.size(); ) {
        if (!enemies[i].alive) enemies.erase(enemies.begin() + i);
        else i++;
    }
}

void updateEnemies() {
    for (int i = 0; i < (int)enemies.size(); i++) {
        if (!enemies[i].alive) continue;
        int dx = 0, dy = 0;
        if (enemies[i].pos.x < manPos.x) dx = 1;
        else if (enemies[i].pos.x > manPos.x) dx = -1;
        if (enemies[i].pos.y < manPos.y) dy = 1;
        else if (enemies[i].pos.y > manPos.y) dy = -1;
        int newX = enemies[i].pos.x + dx;
        int newY = enemies[i].pos.y + dy;
        if (newX < 0) newX = 0;
        if (newX > SCREEN_W - 3) newX = SCREEN_W - 3;
        if (newY < 0) newY = 0;
        if (newY > SCREEN_H - 2) newY = SCREEN_H - 2;
        enemies[i].pos.x = newX;
        enemies[i].pos.y = newY;
    }
}

void damagePlayer(int dmg = 1) {
    playerHealth -= dmg;
    if (playerHealth <= 0) {
        gameOver = true;
        gameWin = false;
        return;
    }
    // 弹开
    if (!enemies.empty()) {
        int nearestIdx = findNearestEnemy(Point(manPos.x + 1, manPos.y + 1));
        if (nearestIdx != -1) {
            Point enemyCenter(enemies[nearestIdx].pos.x + 1, enemies[nearestIdx].pos.y + 1);
            int dx = manPos.x + 1 - enemyCenter.x;
            int dy = manPos.y + 1 - enemyCenter.y;
            if (dx != 0 || dy != 0) {
                float len = sqrt(dx*dx + dy*dy);
                dx = (int)(dx / len * 10);
                dy = (int)(dy / len * 10);
                manPos.x += dx;
                manPos.y += dy;
                if (manPos.x < 0) manPos.x = 0;
                if (manPos.x > SCREEN_W - 3) manPos.x = SCREEN_W - 3;
                if (manPos.y < 0) manPos.y = 0;
                if (manPos.y > SCREEN_H - 3) manPos.y = SCREEN_H - 3;
            }
        }
    }
}

void checkCollision() {
    for (int i = 0; i < (int)enemies.size(); i++) {
        if (!enemies[i].alive) continue;
        if (manPos.x <= enemies[i].pos.x + 2 && manPos.x + 2 >= enemies[i].pos.x &&
            manPos.y <= enemies[i].pos.y + 1 && manPos.y + 2 >= enemies[i].pos.y) {
            damagePlayer(1);
            return;
        }
    }
}

void tryOpenBox() {
    for (int i = 0; i < (int)boxes.size(); i++) {
        if (boxes[i].isOpen) continue;
        int bx = boxes[i].pos.x, by = boxes[i].pos.y;
        int mx = manPos.x, my = manPos.y;
        if (mx <= bx + 2 && mx + 2 >= bx &&
            my <= by + 1 && my + 2 >= by) {
            boxes[i].isOpen = true;
            if (boxes[i].item) {
                totalValue += boxes[i].item->price;
                gotoxy(0, 27);
                cout << "?? 打开" << getContainerSymbol(boxes[i].type) << " 获得 " << boxes[i].item->name << " (+" << (int)boxes[i].item->price << "金)                ";
            }
            Sleep(800);
            return;
        }
    }
}
void tryExtract() {
    int mx = manPos.x, my = manPos.y;
    int ex = extraction.pos.x, ey = extraction.pos.y;
    if (mx <= ex + 2 && mx + 2 >= ex &&
        my <= ey + 1 && my + 2 >= ey) {
        if (!enemies.empty()) {
            gotoxy(0, 27);
            cout << "?? 还有敌人！无法撤离。";
            Sleep(800);
            return;
        }
        gameOver = true;
        gameWin = true;
    } else {
        gotoxy(0, 27);
        cout << "? 你不在撤离点上！";
        Sleep(800);
    }
}

bool canMoveTo(int x, int y) {
    if (x < 0 || x > SCREEN_W - 3 || y < 0 || y > SCREEN_H - 3) return false;
    for (int i = 0; i < (int)enemies.size(); i++) {
        if (!enemies[i].alive) continue;
        if (x <= enemies[i].pos.x + 2 && x + 2 >= enemies[i].pos.x &&
            y <= enemies[i].pos.y + 1 && y + 2 >= enemies[i].pos.y) {
            return false;
        }
    }
    return true;
}

void draw() {
    system("cls");
    for (int i = 0; i < 3; i++) {
        gotoxy(manPos.x, manPos.y + i);
        cout << stickman[i];
    }
    for (int i = 0; i < (int)enemies.size(); i++) {
        if (!enemies[i].alive) continue;
        gotoxy(enemies[i].pos.x, enemies[i].pos.y);
        cout << "[E]";
        gotoxy(enemies[i].pos.x, enemies[i].pos.y + 1);
        cout << " ^ ";
    }
    for (int i = 0; i < (int)boxes.size(); i++) {
        gotoxy(boxes[i].pos.x, boxes[i].pos.y);
        if (!boxes[i].isOpen) {
            cout << getContainerSymbol(boxes[i].type);
            gotoxy(boxes[i].pos.x, boxes[i].pos.y + 1);
            cout << "~~~";
        } else {
            cout << "[开]";
            gotoxy(boxes[i].pos.x, boxes[i].pos.y + 1);
            cout << "   ";
        }
    }
    gotoxy(extraction.pos.x, extraction.pos.y);
    cout << "[G]";
    gotoxy(extraction.pos.x, extraction.pos.y + 1);
    cout << " ^ ";
    for (int i = 0; i < (int)bullets.size(); i++) {
        gotoxy(bullets[i].pos.x, bullets[i].pos.y);
        cout << "*";
    }
    gotoxy(0, SCREEN_H);
    cout << "生命: ";
    for (int i = 0; i < playerHealth; i++) cout << "?? ";
    cout << "  总价值: " << (int)totalValue << " 金  子弹速度: " << bulletSpeed;
    gotoxy(0, SCREEN_H + 1);
    cout << "WASD移动, 空格射击, F开箱, G撤离, Q退出";
    if (gameOver) {
        gotoxy(SCREEN_W / 2 - 8, SCREEN_H / 2);
        if (gameWin) {
            cout << "撤离成功！";
            gotoxy(SCREEN_W / 2 - 10, SCREEN_H / 2 + 1);
            cout << "获得总价值: " << (int)totalValue << " 金币";
        } else {
            cout << "撤离失败";
        }
    }
}
void handleInput() {
    if (_kbhit()) {
        char key = _getch();
        if (key == 'q' || key == 'Q') exit(0);
        if (gameOver) return;
        if (key == 'g' || key == 'G') {
            tryExtract();
            return;
        }
        if (key == 'f' || key == 'F') {
            tryOpenBox();
            return;
        }
        if (key == ' ') {
            shoot();
            return;
        }
        int newX = manPos.x, newY = manPos.y;
        switch (key) {
            case 'w': case 'W': newY--; break;
            case 's': case 'S': newY++; break;
            case 'a': case 'A': newX--; break;
            case 'd': case 'D': newX++; break;
            default: return;
        }
        if (canMoveTo(newX, newY)) {
            manPos.x = newX;
            manPos.y = newY;
        }
    }
}

int main() {
    srand((unsigned)time(0));
    hideCursor();
    for (int i = 0; i < 3; i++) {
        int x, y;
        do {
            x = rand() % (SCREEN_W - 3);
            y = rand() % (SCREEN_H - 2);
        } while (distance(Point(x, y), manPos) < 10);
        enemies.push_back(Enemy(x, y));
    }
    for (int i = 0; i < 5; i++) {
        int x = rand() % (SCREEN_W - 3);
        int y = rand() % (SCREEN_H - 2);
        if (distance(Point(x, y), manPos) > 5) {
            ContainerType t = (ContainerType)(rand() % 6);
            boxes.push_back(Box(x, y, false, t));
        }
    }
    while (!gameOver) {
        handleInput();
        updateBullets();
        updateEnemies();
        checkCollision();
        draw();
        Sleep(50);
    }
    draw();
    _getch();
    return 0;
}