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lizishi楼主2024/9/22 21:55
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    <title>https://www.luogu.com.cn/discuss/new?forum=B2074</title>
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    kuaisumi 60分
    AC:3
    WA:2
    <center>
#include <bits/stdc++.h>
using namespace std;

string s[7] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

int main() {
    int a, b;
    cin >> a >> b;
    int ans = a;
    int bin[64] = {0};
    int i = 0;
    while (b) {
        bin[i] = b % 2;
        i++;
        b /= 2;
    }
    for (int i = 0; i < 64; i++) {
        ans *= ans;
        if (bin[i]) ans *= a;
        ans %= 7;
    }
    cout << s[ans];
    return 0;
}
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2024/9/22 21:55