Task: | Witch game |
Sender: | NF |
Submission time: | 2017-01-20 18:46:27 +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 | ACCEPTED | 0.04 s | 1 | details |
#4 | WRONG ANSWER | 0.04 s | 1 | details |
#5 | WRONG ANSWER | 0.05 s | 1 | details |
#6 | WRONG ANSWER | 0.04 s | 2 | details |
#7 | WRONG ANSWER | 0.05 s | 2 | details |
#8 | WRONG ANSWER | 0.48 s | 2 | details |
#9 | WRONG ANSWER | 0.04 s | 2 | details |
#10 | WRONG ANSWER | 0.05 s | 2 | details |
#11 | WRONG ANSWER | 0.07 s | 3 | details |
#12 | WRONG ANSWER | 0.12 s | 3 | details |
#13 | TIME LIMIT EXCEEDED | -- | 3 | details |
#14 | WRONG ANSWER | 0.11 s | 3 | details |
#15 | WRONG ANSWER | 0.14 s | 3 | details |
Code
#include <iostream> #include <cstring> #include <algorithm> #include <set> #include <vector> #define long long long using namespace std; int N; int acc[100001]; set<int> adj[100001]; int main() { ios_base::sync_with_stdio(false); cin >> N; for (int i = 0; i < N; i++) { int j; cin >> j; j--; adj[i].insert(j); adj[j].insert(i); acc[i] = j; } long total = N * (N-1) * (N-2) / 6; for (int i = 0; i < N; i++) { int j = acc[i]; // cout << i+1 << " " << j+1 << ": " << N - adj[i] - adj[i] - 2 << "\n"; vector<int> un; set_union(adj[i].begin(), adj[i].end(), adj[j].begin(), adj[j].end(), back_inserter(un)); vector<int> in; set_intersection(adj[i].begin(), adj[i].end(), adj[j].begin(), adj[j].end(), back_inserter(un)); total -= N - un.size(); // cout << i << " " << j << ": " << un.size() << "\n"; if (adj[i].size() > 1) total -= (adj[i].size() * (adj[i].size() - 1) / 2); total -= in.size(); } cout << total << "\n"; 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 |
---|
151900 |
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: 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 |
---|
36836402 |
Test 7
Group: 2
Verdict: WRONG ANSWER
input |
---|
5000 2 3 4 5 6 7 8 9 10 11 12 13 14... |
correct output |
---|
20795850000 |
user output |
---|
36841402 |
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 |
---|
49333901 |
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 |
---|
36841405 |
Test 10
Group: 2
Verdict: WRONG ANSWER
input |
---|
5000 283 2880 2565 3289 4160 936 39... |
correct output |
---|
20795852465 |
user output |
---|
36843867 |
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 |
---|
-10244053984 |
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 |
---|
-10243953984 |
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: WRONG ANSWER
input |
---|
100000 2 3 1 5 6 4 8 9 7 11 12 10 14 ... |
correct output |
---|
166651666966668 |
user output |
---|
-10243953983 |
Test 15
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 186 62491 95379 37431 88427 93... |
correct output |
---|
166651667250100 |
user output |
---|
-10243903875 |