代码

#include <cstdio>
#include <cctype>
#define il inline
#define rgi register int
il int read()
{
    rgi x = 0, f = 0, ch;
    while(!isdigit(ch = getchar())) f |= ch == '-';
    while(isdigit(ch)) x = (x << 1) + (x << 3) + (ch ^ 48), ch = getchar();
    return f ? -x : x;
}
int main()
{
    n = read();
    for(rgi i = 1; i <= n; ++i)
    {
        int a = read(), b = read();
        printf("%d\n", a + b);
    }
    return 0;
}

评测结果