代码

#include<bits/stdc++.h>
int n,a,b;
inline int read(){
	char c=getchar();
	int x=0,f=1;
	while(c<'0'||c>'9'){
		if(c=='-')
			f=-1;
		c=getchar();
	}
	while(c>='0'&&c<='9'){
		x=x*10+c-'0';
		c=getchar();
	}
	return x*f;
}
inline void write(int x){
	if(x<0){
		putchar('-');
		x=-x;
	}
	if(x>9){
		write(x/10);
	}
	putchar(x%10+'0');
	return;
}
int main(){
	n=read();
	for(;n>0;--n){
		a=read();
		b=read();
		write(a+b);
		putchar('\n');
	}

	return 0;
}

评测结果