代码

#include<stdio.h>
#include<ctype.h>
using namespace std;

const int SIZE = 1<<14;
char getc(){
    static char buf[SIZE],*begin=buf,*end=buf;
    if(begin==end){
        begin = buf;
        end = buf + fread(buf,1,SIZE,stdin);
    }
    return *begin++;
}

int read(){
    int ret=0,sgn=0,ch=getc();
    while(!isdigit(ch)) sgn |= ch == '-',ch=getc();
    while(isdigit(ch)) ret = ret*10+ch-'0',ch=getc();
    return sgn?-ret:ret;
}
 
int main()
{
    int n=read();
    while(n--)
    {
        int a=read(),b=read();
        printf("%d\n",a+b);
    }
    return 0;
}
 

评测结果