Submission #5565976
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#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { cin.tie(0); ios::sync_with_stdio(false); map<int, map<int, int>> m; int N, M; cin >> N >> M; vector<map<int, int>> v(N); for (int i = 0; i < M; i++) { int A, B, L; cin >> A >> B >> L; m[A][L]++; m[B][L]++; v[A - 1][L]++; v[B - 1][L]++; } int ans = 0; for (int i = 0; i < N; i++) { for (auto j = v[i].begin(); j != v[i].end(); j++) { int l = j -> first; int t1 = j -> second; int t2 = v[i][2540 - l]; if (l == 1270) t1--; ans += t1 * t2; } } ans /= 2; cout << ans << "\n"; return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - 2540 |
User | yamakasa |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 689 Byte |
Status | AC |
Exec Time | 220 ms |
Memory | 42368 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, sample_01.txt, sample_02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 133 ms | 28544 KB |
02.txt | AC | 187 ms | 21504 KB |
03.txt | AC | 33 ms | 384 KB |
04.txt | AC | 33 ms | 384 KB |
05.txt | AC | 220 ms | 42368 KB |
06.txt | AC | 93 ms | 12288 KB |
07.txt | AC | 100 ms | 28416 KB |
08.txt | AC | 1 ms | 256 KB |
09.txt | AC | 35 ms | 384 KB |
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |