代码

#include<bits/stdc++.h>
using namespace std;

inline char gc(){
    static char buf[1<<21],*p1=buf,*p2=buf;
    return (p1==p2)&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++;
}
inline void read(long &x){
    char c=getchar();x=0;
    while(c>'9'||c<'0') c=gc();
    while(c<='9'&&c>='0') x=x*10+c-'0',c=gc();
}
int main() {
	long n;
	read(n);
	for (int i = 1; i <= n; i++) {
		long a,b;
        read(a),read(b);
printf("%d\n",a+b);
	}
	return 0;
}

评测结果