Witch game

input/code.cpp: In function 'int main()':
input/code.cpp:13:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &n);
                   ^
input/code.cpp:15:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &out[i]);
                           ^

#include <bits/stdc++.h>
using namespace std;

typedef long long Long;

const int MAXN = 1e5;

int n;
int out[MAXN + 10];
int in[MAXN + 10];

int main() {
   scanf("%d", &n);
   for(int i = 1; i <= n; i++) {
      scanf("%d", &out[i]);
      in[out[i]]++;
   }
   Long cc = n * (n - 1) * (n - 2) / 6;
   Long bad = 0;
   for(int u = 1; u <= n; u++) {
      int v = out[u];
      if(out[v] == v) {
         cc -= n - 2;
      } else {
         Long ex = n - 2;
         bad += in[u]; ex -= in[u];
         if(out[out[v]] != v) {
            bad += 1; ex -= 1;
            bad += in[v] - 1; ex -= in[v] - 1;
         } else {
            ex--;
            bad += in[v] - 2; ex -= in[v] - 2;
         }
         bad += 2 * ex;
      }
   }
   cc -= bad / 2;
   printf("%lld\n", cc);
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: WRONG ANSWER

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: WRONG ANSWER

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: WRONG ANSWER

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER