| Task: | Witch game |
| Sender: | marian |
| Submission time: | 2017-01-22 20:25:15 +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 | 0.04 s | 1 | details |
| #2 | ACCEPTED | 0.04 s | 1 | details |
| #3 | WRONG ANSWER | 0.05 s | 1 | details |
| #4 | WRONG ANSWER | 0.05 s | 1 | details |
| #5 | WRONG ANSWER | 0.04 s | 1 | details |
| #6 | WRONG ANSWER | 0.05 s | 2 | details |
| #7 | ACCEPTED | 0.05 s | 2 | details |
| #8 | WRONG ANSWER | 0.04 s | 2 | details |
| #9 | WRONG ANSWER | 0.04 s | 2 | details |
| #10 | ACCEPTED | 0.06 s | 2 | details |
| #11 | WRONG ANSWER | 0.11 s | 3 | details |
| #12 | WRONG ANSWER | 0.11 s | 3 | details |
| #13 | WRONG ANSWER | 0.07 s | 3 | details |
| #14 | WRONG ANSWER | 0.12 s | 3 | details |
| #15 | WRONG ANSWER | 0.12 s | 3 | details |
Code
#include <iostream>
#include <vector>
using namespace std;
int n;
vector<int> e[100000];
int main() {
cin >> n;
for (int i = 0; i < n; ++i) {
int j;
cin >> j;
j--;
e[i].push_back(j);
e[j].push_back(i);
}
long long res = 0;
for (int i = 0; i < n; ++i) {
int cur = (n - e[i].size() - 1) * (n - e[i].size() - 2);
int m = 2 * n;
for (int j : e[i])
m -= 2 * e[j].size();
cur -= m;
cur /= 2;
res += cur;
//cout << i + 1 << " " << cur << "\n";
}
cout << res / 3 << "\n";
}
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: WRONG ANSWER
| input |
|---|
| 100 2 3 1 5 6 4 8 9 7 11 12 10 14 ... |
| correct output |
|---|
| 151968 |
| user output |
|---|
| 152001 |
Test 5
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 8 98 100 62 42 36 95 70 22 49 ... |
| correct output |
|---|
| 152040 |
| user output |
|---|
| 152041 |
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: WRONG ANSWER
| input |
|---|
| 5000 2 3 1 5 6 4 8 9 7 11 12 10 14 ... |
| correct output |
|---|
| 20795848337 |
| user output |
|---|
| 20795850003 |
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 |
|---|
| 23486090466666 |
Test 12
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 2 3 4 5 6 7 8 9 10 11 12 13 14... |
| correct output |
|---|
| 166651667000000 |
| user output |
|---|
| 23486090466666 |
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 |
|---|
| 23492521972433 |
Test 14
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 2 3 1 5 6 4 8 9 7 11 12 10 14 ... |
| correct output |
|---|
| 166651666966668 |
| user output |
|---|
| 23486090466667 |
Test 15
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 186 62491 95379 37431 88427 93... |
| correct output |
|---|
| 166651667250100 |
| user output |
|---|
| 23486090516779 |