代码

#include<bits/stdc++.h>
using namespace std;
int n,a,b;
inline int read(){
	char c=getchar();
	int x=0;
	bool s=0;
	while(c<'0'||c>'9'){ 
	    if(c=='-')s=1;
	    c=getchar();
	}
	while(c>=48&&c<=57)
		x=x*10+c-48,c=getchar();
	return s?-x:x;
}
inline void write(int x){
	if(x<0){cout<<"-";write(-x);return;}
	if(x/10) write(x/10); 
	cout<<x%10;
	return;
}
int main(){
	n=read();
	while(n--) a=read(),b=read(),write(a+b),cout<<'\n';
	return 0;
}

评测结果