代码

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

评测结果