| Task: | Witch game |
| Sender: | Deemo1 |
| Submission time: | 2017-01-22 01:06:01 +0200 |
| Language: | C++ |
| Status: | READY |
| Result: | 0 |
| group | verdict | score |
|---|---|---|
| #1 | WRONG ANSWER | 0 |
| #2 | WRONG ANSWER | 0 |
| #3 | WRONG ANSWER | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | WRONG ANSWER | 0.03 s | 1 | details |
| #2 | ACCEPTED | 0.04 s | 1 | details |
| #3 | WRONG ANSWER | 0.04 s | 1 | details |
| #4 | ACCEPTED | 0.07 s | 1 | details |
| #5 | ACCEPTED | 0.04 s | 1 | details |
| #6 | WRONG ANSWER | 0.05 s | 2 | details |
| #7 | ACCEPTED | 0.04 s | 2 | details |
| #8 | WRONG ANSWER | 0.03 s | 2 | details |
| #9 | ACCEPTED | 0.03 s | 2 | details |
| #10 | ACCEPTED | 0.04 s | 2 | details |
| #11 | WRONG ANSWER | 0.05 s | 3 | details |
| #12 | ACCEPTED | 0.06 s | 3 | details |
| #13 | WRONG ANSWER | 0.05 s | 3 | details |
| #14 | ACCEPTED | 0.04 s | 3 | details |
| #15 | WRONG ANSWER | 0.06 s | 3 | details |
Code
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 1e5 + 10;
int n, deg[MAXN], nxt[MAXN];
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n;
fill(deg, deg+n, 1);
for (int i = 0; i < n; i++) cin >> nxt[i], nxt[i]--, deg[nxt[i]]++;
ll cnt = 1ll*n*(n-1)*(n-2)/ 6;
cnt <<= 1;
for (int i = 0; i < n; i++)
cnt -= 1ll*deg[i]*(n-1-deg[i]);
cnt >>= 1;
cnt *= 3ll;
for (int i = 0; i < n; i++)
if (nxt[i] != i && nxt[nxt[i]] != i && nxt[nxt[nxt[i]]] == i) cnt--;
cnt /= 3ll;
cout << cnt << endl;
return 0;
}
Test details
Test 1
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 156800 |
| user output |
|---|
| 152000 |
Test 2
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 100 2 3 4 5 6 7 8 9 10 11 12 13 14... |
| correct output |
|---|
| 152000 |
| user output |
|---|
| 152000 |
Test 3
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| correct output |
|---|
| 156849 |
| user output |
|---|
| 156851 |
Test 4
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 100 2 3 1 5 6 4 8 9 7 11 12 10 14 ... |
| correct output |
|---|
| 151968 |
| user output |
|---|
| 151968 |
Test 5
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 100 8 98 100 62 42 36 95 70 22 49 ... |
| correct output |
|---|
| 152040 |
| user output |
|---|
| 152040 |
Test 6
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 5000 2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 20808340000 |
| user output |
|---|
| 20795850000 |
Test 7
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 5000 2 3 4 5 6 7 8 9 10 11 12 13 14... |
| correct output |
|---|
| 20795850000 |
| user output |
|---|
| 20795850000 |
Test 8
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 5000 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| correct output |
|---|
| 20808342499 |
| user output |
|---|
| 20808342501 |
Test 9
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 5000 2 3 1 5 6 4 8 9 7 11 12 10 14 ... |
| correct output |
|---|
| 20795848337 |
| user output |
|---|
| 20795848337 |
Test 10
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 5000 283 2880 2565 3289 4160 936 39... |
| correct output |
|---|
| 20795852465 |
| user output |
|---|
| 20795852465 |
Test 11
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 166656666800000 |
| user output |
|---|
| 166651667000000 |
Test 12
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 2 3 4 5 6 7 8 9 10 11 12 13 14... |
| correct output |
|---|
| 166651667000000 |
| user output |
|---|
| 166651667000000 |
Test 13
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| correct output |
|---|
| 166656666849999 |
| user output |
|---|
| 166656666850001 |
Test 14
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 2 3 1 5 6 4 8 9 7 11 12 10 14 ... |
| correct output |
|---|
| 166651666966668 |
| user output |
|---|
| 166651666966668 |
Test 15
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 186 62491 95379 37431 88427 93... |
| correct output |
|---|
| 166651667250100 |
| user output |
|---|
| 166651667050112 |