結果
問題 | No.807 umg tours |
ユーザー | edamame882 |
提出日時 | 2019-07-26 02:09:23 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,878 ms / 4,000 ms |
コード長 | 2,622 bytes |
コンパイル時間 | 1,744 ms |
コンパイル使用メモリ | 182,680 KB |
実行使用メモリ | 91,364 KB |
最終ジャッジ日時 | 2024-11-23 19:34:31 |
合計ジャッジ時間 | 12,350 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 416 ms
22,340 KB |
testcase_12 | AC | 648 ms
30,140 KB |
testcase_13 | AC | 1,156 ms
51,740 KB |
testcase_14 | AC | 373 ms
26,732 KB |
testcase_15 | AC | 251 ms
26,056 KB |
testcase_16 | AC | 505 ms
33,996 KB |
testcase_17 | AC | 1,039 ms
36,160 KB |
testcase_18 | AC | 1,878 ms
91,364 KB |
testcase_19 | AC | 1,342 ms
54,788 KB |
testcase_20 | AC | 220 ms
12,928 KB |
testcase_21 | AC | 212 ms
13,312 KB |
testcase_22 | AC | 84 ms
7,552 KB |
testcase_23 | AC | 74 ms
6,784 KB |
testcase_24 | AC | 216 ms
23,312 KB |
testcase_25 | AC | 397 ms
32,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; //repetition #define FOR(i,a,b) for(ll i=(a);i<(b);++i) #define rep(i, n) for(ll i = 0; i < (ll)(n); i++) //container util #define all(x) (x).begin(),(x).end() //typedef typedef long long ll; typedef vector<int> VI; typedef vector<VI> VVI; typedef vector<ll> VLL; typedef vector<VLL> VVLL; typedef vector<string> VS; typedef pair<int, int> PII; typedef pair<ll, ll> PLL; //const value //const ll MOD = 1e9 + 7; //const int dx[] = {0,1,0,-1};//{0,0,1,1,1,-1,-1,-1}; //const int dy[] = {1,0,-1,0};//{1,-1,0,1,-1,0,1,-1}; //conversion inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;} inline ll toLL(string s) {ll v; istringstream sin(s);sin>>v;return v;} template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();} ll dist[100010]; ll distSkip[100010][2]; const ll INF = 1e15; void dijkstra(int n, vector<vector<PLL>>& edge){ rep(i,n) dist[i] = INF; priority_queue< PLL, vector<PLL>, greater<PLL>> que; que.push({0,0}); dist[0] = 0; while(que.empty() == false){ PLL p = que.top(); que.pop(); ll c = p.first; ll cdist = p.second; if(dist[c] < cdist) continue; for(PLL next :edge[c]){ if(dist[next.first] >= next.second + cdist){ dist[next.first] = next.second + cdist; que.push({next.first,dist[next.first]}); } } } } typedef tuple<ll,ll,ll> State; void dijkstra_skip(int n, vector<vector<PLL>>& edge){ rep(j,2)rep(i,n) distSkip[i][j] = INF; priority_queue< State, vector<State>, greater<State>> que; que.push({0,0,0}); distSkip[0][0] = 0; distSkip[0][1] = 0; while(que.empty() == false){ State p = que.top(); que.pop(); ll c = get<0>(p); ll cdist = get<1>(p); ll flag = get<2>(p); if(distSkip[c][flag] < cdist) continue; for(PLL next :edge[c]){ // not skip if(distSkip[next.first][flag] >= next.second + cdist){ distSkip[next.first][flag] = next.second + cdist; que.push({next.first,distSkip[next.first][flag], flag}); } // skip if(flag == 0 && distSkip[next.first][1] >= cdist){ distSkip[next.first][1] = cdist; que.push({next.first,distSkip[next.first][1], 1}); } } } } int main(){ ios::sync_with_stdio(false); cin.tie(0); int n,m; cin >> n >> m; vector<vector<PLL>> edge(n); rep(i,m){ ll a,b,c; cin >> a >> b >> c; a--,b--; edge[a].push_back({b,c}); edge[b].push_back({a,c}); } dijkstra(n,edge); dijkstra_skip(n,edge); rep(i,n){ cout << distSkip[i][1] + dist[i] << endl; } return 0; }