代码

#include <cstdio>
#include <cctype>
using namespace std;
int uread(void);
int main(void){
    int n,a,b;
    n=uread();
    while (n--){
        a=uread(),b=uread();
        printf("%d\n",a+b);
    }
    return 0;
}
int uread(void){
    char ch=getchar();
    int symbol=0;
    int x=0;
    while (!isdigit(ch))
        (ch=='-')?(symbol=1):(0),ch=getchar();
    while (isdigit(ch))
        x=x*10+(ch^48),ch=getchar();
    return (symbol)?(-x):(x);
}

评测结果