尹严薇 · 发布于 2025-03-26 · 浏览 461 回复 0

freopen("rate.in", "r", stdin);
freopen("rate.out", "w", stdout);
        long long  a, b, c;
        scanf("%lld%lld", &a, &b);
        c = a * b;
        printf("%lld", c);

        return 0;