代码

# include <stdio.h>

int main() {
	int n;
	scanf("%d", &n);
	for (int i = 1; i <= n; i++) {
		int a, b;
		scanf("%d%d", &a, &b);
		int c = a + b;
		if (c < 10) {
			printf("%d\n", c);
		} else {
			printf("%d%c%d", c / 10, '\0', c % 10);
		}
	}
	return 0;
}

评测结果