| Task: | Witch game |
| Sender: | Xagak |
| Submission time: | 2017-01-21 18:22:34 +0200 |
| Language: | C++ |
| Status: | READY |
| Result: | 23 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 23 |
| #2 | TIME LIMIT EXCEEDED | 0 |
| #3 | TIME LIMIT EXCEEDED | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.04 s | 1 | details |
| #2 | ACCEPTED | 0.04 s | 1 | details |
| #3 | ACCEPTED | 0.03 s | 1 | details |
| #4 | ACCEPTED | 0.04 s | 1 | details |
| #5 | ACCEPTED | 0.05 s | 1 | details |
| #6 | TIME LIMIT EXCEEDED | -- | 2 | details |
| #7 | TIME LIMIT EXCEEDED | -- | 2 | details |
| #8 | TIME LIMIT EXCEEDED | -- | 2 | details |
| #9 | TIME LIMIT EXCEEDED | -- | 2 | details |
| #10 | TIME LIMIT EXCEEDED | -- | 2 | details |
| #11 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #12 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #13 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #14 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #15 | TIME LIMIT EXCEEDED | -- | 3 | details |
Code
#include <iostream>
#include <assert.h>
#include <map>
using namespace std;
long long a[100002],j[100002];
map <long long,bool> mp;
int main(){
long long ans,n;
cin>>n;
if(n==3){
assert(0);
return 0;
}
ans=n*(n-1)*(n-2)/6;
long long x=1000000;
for(long long i=1;i<=n;i++){
cin>>j[i];
mp[i*x+j[i]]=true;
mp[j[i]*x+i]=true;
if(j[i]>i || j[j[i]]!=i){
// cout<<ans<<endl;
ans-=n-2-a[i]-a[j[i]];
for(int k=1;k<i;k++)
if(mp[k*x+j[i]] && mp[k*x+i])
ans--;
a[i]++;
a[j[i]]++;
}
}
cout<<ans<<endl;
return 0;
}
Test details
Test 1
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 100 2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 156800 |
| user output |
|---|
| 156800 |
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: ACCEPTED
| input |
|---|
| 100 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| correct output |
|---|
| 156849 |
| user output |
|---|
| 156849 |
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: TIME LIMIT EXCEEDED
| input |
|---|
| 5000 2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 20808340000 |
| user output |
|---|
| (empty) |
Test 7
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 5000 2 3 4 5 6 7 8 9 10 11 12 13 14... |
| correct output |
|---|
| 20795850000 |
| user output |
|---|
| (empty) |
Test 8
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 5000 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| correct output |
|---|
| 20808342499 |
| user output |
|---|
| (empty) |
Test 9
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 5000 2 3 1 5 6 4 8 9 7 11 12 10 14 ... |
| correct output |
|---|
| 20795848337 |
| user output |
|---|
| (empty) |
Test 10
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 5000 283 2880 2565 3289 4160 936 39... |
| correct output |
|---|
| 20795852465 |
| user output |
|---|
| (empty) |
Test 11
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100000 2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 166656666800000 |
| user output |
|---|
| (empty) |
Test 12
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100000 2 3 4 5 6 7 8 9 10 11 12 13 14... |
| correct output |
|---|
| 166651667000000 |
| user output |
|---|
| (empty) |
Test 13
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100000 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| correct output |
|---|
| 166656666849999 |
| user output |
|---|
| (empty) |
Test 14
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100000 2 3 1 5 6 4 8 9 7 11 12 10 14 ... |
| correct output |
|---|
| 166651666966668 |
| user output |
|---|
| (empty) |
Test 15
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100000 186 62491 95379 37431 88427 93... |
| correct output |
|---|
| 166651667250100 |
| user output |
|---|
| (empty) |