CSES - HIIT Open 2017 - Results
Submission details
Task:Book writing
Sender:HIIT AND RUN
Submission time:2017-05-27 13:45:58 +0300
Language:C++
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.04 sdetails
#2ACCEPTED0.04 sdetails
#3ACCEPTED0.04 sdetails
#4ACCEPTED0.06 sdetails
#5ACCEPTED0.06 sdetails
#6ACCEPTED0.04 sdetails
#7ACCEPTED0.06 sdetails
#8ACCEPTED0.06 sdetails
#9ACCEPTED0.04 sdetails
#10ACCEPTED0.06 sdetails
#11ACCEPTED0.04 sdetails
#12ACCEPTED0.06 sdetails
#13ACCEPTED0.04 sdetails
#14ACCEPTED0.04 sdetails
#15ACCEPTED0.04 sdetails

Code

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;


ll power(ll n, ll m) {
    
    if ( n == 0) return 1 % m;
    if (n == 1) return 3 % m;
    
    if (n % 2 == 0) {
        ll lol = power(n/2, m);
        return ((lol % m) * (lol % m)) % m;
        
    }
    ll lol = power((n-1) / 2, m);
    return (3 * ((lol % m) * (lol % m)) % m)%m;
}

int main() {
    ios_base::sync_with_stdio(0);

    ll n, m;
    cin >> n >> m;
    
    cout << (power(n-1, m)) << endl;
    
}

Test details

Test 1

Verdict: ACCEPTED

input
1 1

correct output
0

user output
0

Test 2

Verdict: ACCEPTED

input
1 97

correct output
1

user output
1

Test 3

Verdict: ACCEPTED

input
2 97

correct output
3

user output
3

Test 4

Verdict: ACCEPTED

input
3 97

correct output
9

user output
9

Test 5

Verdict: ACCEPTED

input
1000000000 151663903

correct output
82561644

user output
82561644

Test 6

Verdict: ACCEPTED

input
143596027 174328522

correct output
28118869

user output
28118869

Test 7

Verdict: ACCEPTED

input
147975017 915750433

correct output
463121246

user output
463121246

Test 8

Verdict: ACCEPTED

input
135878271 839118400

correct output
539995449

user output
539995449

Test 9

Verdict: ACCEPTED

input
298512964 952360555

correct output
580557712

user output
580557712

Test 10

Verdict: ACCEPTED

input
529927635 923805382

correct output
726792503

user output
726792503

Test 11

Verdict: ACCEPTED

input
318335201 844538572

correct output
543761245

user output
543761245

Test 12

Verdict: ACCEPTED

input
424831430 113585403

correct output
11977911

user output
11977911

Test 13

Verdict: ACCEPTED

input
365364871 255159067

correct output
164163032

user output
164163032

Test 14

Verdict: ACCEPTED

input
953401405 641246153

correct output
32288812

user output
32288812

Test 15

Verdict: ACCEPTED

input
937783204 624285687

correct output
213518688

user output
213518688