代码

#include <cstdio>
using namespace std;
int read(){
	char c=getchar();
	int x=0,sgn=1;
	while(c<'0' || c>'9'){
		if (c=='-')
			sgn=-1;
		c=getchar();
	}
	while(c>='0' && c<='9'){
		x=x*10+c-'0';
		c=getchar();
	}
	return x*sgn;
}
void write(int x){if (x>=10)write(x/10);putchar(x%10+'0');}
void writeln(int x){if (x<0)x=-x,putchar('-');write(x);putchar('\n');}
int main() {
	int T=read();
while(T--){writeln(read()+read());}
}

评测结果