CSES - Aalto Competitive Programming 2024 - wk11 - Homework - Results
Submission details
Task:Exponentiation
Sender:odanobunaga8199
Submission time:2024-11-18 15:58:10 +0200
Language:C++ (C++20)
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.02 sdetails
#2ACCEPTED0.37 sdetails
#3ACCEPTED0.37 sdetails

Code

#include <iostream>
using namespace std;

const int MOD = 1000000007;

long long mod_exp(long long base, long long exp, int mod) {
    long long result = 1;
    base = base % mod;
    while (exp > 0) {
        if (exp % 2 == 1) {
            result = (result * base) % mod;
        }
        base = (base * base) % mod;
        exp /= 2;
    }
    return result;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >> n;
    while (n--) {
        long long a, b;
        cin >> a >> b;
        if (a == 0 && b == 0) {
            cout << 1 << endl;
        } else {
            cout << mod_exp(a, b, MOD) << endl;
        }
    }
    return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
10201
0 0
0 1
0 2
0 3
...

correct output
1
0
0
0
0
...

user output
1
0
0
0
0
...
Truncated

Test 2

Verdict: ACCEPTED

input
200000
129612095 411099530
241615980 487174929
60862511 511830781
758816482 982657640
...

correct output
276067146
838400234
148093882
546897305
467086232
...

user output
276067146
838400234
148093882
546897305
467086232
...
Truncated

Test 3

Verdict: ACCEPTED

input
200000
692427692 536870911
252480658 536870911
505090334 536870911
27194853 536870911
...

correct output
940305728
707431813
917260341
908974199
375947818
...

user output
940305728
707431813
917260341
908974199
375947818
...
Truncated