Submission #3814100
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll const inf = 1e18; map<int,vector<pair<int,ll>>> mp; ll dfs(int v1, int v2, int p, ll c){ if(v1 == v2){ return c; } auto itr = mp[v1].begin(); while(itr != mp[v1].end()){ if((*itr).first == p){ itr++; continue; } ll d = dfs((*itr).first, v2, v1, c + (*itr).second); if(d != inf){ return d; } itr++; } return inf; } int main(void){ cin.tie(0); ios::sync_with_stdio(false); int n, m; cin >> n >> m; string ans = "Yes"; for(int i=0; i<m; i++){ int a, b, c; cin >> a >> b >> c; mp[a-1].push_back({b-1,c}); mp[b-1].push_back({a-1,-c}); ll d = dfs(a-1, b-1, -1, 0); if(d != inf && d != c){ ans = "No"; } } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - People on a Line |
User | Almond |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 993 Byte |
Status | RE |
Exec Time | 2120 ms |
Memory | 270720 KB |
Judge Result
Set Name | Sample | All | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 400 | ||||||||
Status |
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Set Name | Test Cases |
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Sample | sample01.txt, sample02.txt, sample03.txt, sample04.txt, sample05.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, sample01.txt, sample02.txt, sample03.txt, sample04.txt, sample05.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | TLE | 2106 ms | 43648 KB |
02.txt | TLE | 2104 ms | 7296 KB |
03.txt | TLE | 2120 ms | 267904 KB |
04.txt | TLE | 2105 ms | 20352 KB |
05.txt | RE | 968 ms | 270208 KB |
06.txt | RE | 433 ms | 267520 KB |
07.txt | RE | 434 ms | 270080 KB |
08.txt | RE | 574 ms | 269056 KB |
09.txt | RE | 500 ms | 266112 KB |
10.txt | RE | 411 ms | 269568 KB |
11.txt | RE | 355 ms | 268544 KB |
12.txt | RE | 344 ms | 267520 KB |
13.txt | RE | 983 ms | 268544 KB |
14.txt | RE | 662 ms | 269056 KB |
15.txt | RE | 377 ms | 267904 KB |
16.txt | RE | 404 ms | 267904 KB |
17.txt | TLE | 2106 ms | 45952 KB |
18.txt | RE | 475 ms | 267008 KB |
19.txt | RE | 584 ms | 266368 KB |
20.txt | RE | 347 ms | 267392 KB |
21.txt | RE | 1939 ms | 269312 KB |
22.txt | RE | 698 ms | 269184 KB |
23.txt | TLE | 2109 ms | 86016 KB |
24.txt | RE | 416 ms | 267648 KB |
25.txt | RE | 330 ms | 265344 KB |
26.txt | TLE | 2107 ms | 55168 KB |
27.txt | RE | 378 ms | 270080 KB |
28.txt | RE | 411 ms | 267008 KB |
29.txt | RE | 360 ms | 267648 KB |
30.txt | RE | 326 ms | 266240 KB |
31.txt | RE | 398 ms | 270720 KB |
32.txt | RE | 349 ms | 267136 KB |
33.txt | TLE | 2109 ms | 80768 KB |
34.txt | TLE | 2110 ms | 98176 KB |
35.txt | RE | 345 ms | 267392 KB |
36.txt | RE | 820 ms | 269056 KB |
37.txt | RE | 361 ms | 269440 KB |
38.txt | RE | 388 ms | 267264 KB |
39.txt | RE | 339 ms | 266496 KB |
40.txt | RE | 460 ms | 269440 KB |
41.txt | AC | 1 ms | 256 KB |
42.txt | RE | 611 ms | 262400 KB |
sample01.txt | AC | 1 ms | 256 KB |
sample02.txt | AC | 1 ms | 256 KB |
sample03.txt | AC | 1 ms | 256 KB |
sample04.txt | AC | 1 ms | 256 KB |
sample05.txt | AC | 1 ms | 256 KB |