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个人简介
加快cin和cout的
ios::sync_with_stdio(false); cin.tie(nullptr); // 设置缓冲区大小 cin.rdbuf()->pubsetbuf(0, 0); cout.rdbuf()->pubsetbuf(0, 0);
int read()//快读 { int x=0; char c=getchar(); while(c<'0'||c>'9') c=getchar(); while(c>='0'&&c<='9') { x=x*10+(c-'0'); c=getchar(); } return x; } void write(int x)//快输 { if(x<0) { putchar('-'); x=-x; } if(x/10) write(x/10); putchar('0'+x%10); }
ios_base::sync_with_stdio(false); cin.tie(nullptr); // 设置自定义缓冲区(1MB) constexpr int BUFFER\_SIZE = 1 << 20; char buffer[BUFFER\_SIZE]; cin.rdbuf()->pubsetbuf(buffer, BUFFER\_SIZE); cout.rdbuf()->pubsetbuf(buffer, BUFFER\_SIZE);
// 核心优化设置 ios\_base::sync\_with\_stdio(false); cin.tie(nullptr); // 缓冲区设置 constexpr int BUFFER\_SIZE = 1 << 20; // 1MB static char in\_buffer[BUFFER\_SIZE]; static char out\_buffer[BUFFER\_SIZE]; cin.rdbuf()->pubsetbuf(in\_buffer, BUFFER\_SIZE); cout.rdbuf()->pubsetbuf(out\_buffer,BUFFER\_SIZE);
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This person is lazy and didn't join any contests or homework. -
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