代码

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

int n, a, b;

inline int read() {
    int w = 1, q = 0;
    char ch = ' ';
    while (ch != '-' && (ch < '0' || ch > '9')) ch = getchar();
    if (ch == '-') w = -1, ch = getchar();
    while (ch >= '0' && ch <= '9') q = q * 10 + ch - '0', ch = getchar();
    return w * q;
}

inline void write(int x) {
    if (x < 0) {
        x = ~(x - 1);
        putchar('-');
    }
    if (x > 9) write(x / 10);
    putchar(x % 10 + '0');
}

int main() {
	n = read();
	while (n--) {
		a = read();
		b = read();
		write(a + b);
		puts("");
	}
	return 0;
}

评测结果