結果
問題 | No.160 最短経路のうち辞書順最小 |
ユーザー | is_eri23 |
提出日時 | 2015-03-05 14:23:42 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 15 ms / 5,000 ms |
コード長 | 3,061 bytes |
コンパイル時間 | 1,344 ms |
コンパイル使用メモリ | 159,368 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-24 08:17:43 |
合計ジャッジ時間 | 2,472 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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
6,816 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 11 ms
6,940 KB |
testcase_05 | AC | 12 ms
6,940 KB |
testcase_06 | AC | 13 ms
6,944 KB |
testcase_07 | AC | 10 ms
6,940 KB |
testcase_08 | AC | 10 ms
6,944 KB |
testcase_09 | AC | 10 ms
6,940 KB |
testcase_10 | AC | 11 ms
6,944 KB |
testcase_11 | AC | 10 ms
6,944 KB |
testcase_12 | AC | 10 ms
6,940 KB |
testcase_13 | AC | 11 ms
6,940 KB |
testcase_14 | AC | 11 ms
6,944 KB |
testcase_15 | AC | 11 ms
6,944 KB |
testcase_16 | AC | 11 ms
6,944 KB |
testcase_17 | AC | 11 ms
6,940 KB |
testcase_18 | AC | 10 ms
6,944 KB |
testcase_19 | AC | 10 ms
6,940 KB |
testcase_20 | AC | 10 ms
6,940 KB |
testcase_21 | AC | 11 ms
6,944 KB |
testcase_22 | AC | 11 ms
6,940 KB |
testcase_23 | AC | 11 ms
6,940 KB |
testcase_24 | AC | 11 ms
6,940 KB |
testcase_25 | AC | 10 ms
6,940 KB |
testcase_26 | AC | 11 ms
6,944 KB |
testcase_27 | AC | 10 ms
6,940 KB |
testcase_28 | AC | 15 ms
6,940 KB |
testcase_29 | AC | 10 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> #define EPS 1e-9 #define INF 1070000000LL #define MOD 1000000007LL #define fir first #define foreach(it,X) for(auto it=(X).begin();it!=(X).end();it++) #define numa(x,a) for(auto x: a) #define ite iterator #define mp make_pair #define rep(i,n) rep2(i,0,n) #define rep2(i,m,n) for(int i=m;i<(n);i++) #define pb push_back #define pf push_front #define sec second #define sz(x) ((int)(x).size()) #define ALL( c ) (c).begin(), (c).end() #define gcd(a,b) __gcd(a,b) #define mem(x,n) memset(x,n,sizeof(x)) #define endl "\n" using namespace std; template <int POS, class TUPLE> void deploy(std::ostream &os, const TUPLE &tuple){} template <int POS, class TUPLE, class H, class ...Ts> void deploy(std::ostream &os, const TUPLE &t){ os << (POS == 0 ? "" : ", ") << get<POS>(t); deploy<POS + 1, TUPLE, Ts...>(os, t); } template <class T,class U> std::ostream& operator<<(std::ostream &os, std::pair<T,U> &p){ os << "(" << p.first <<", " << p.second <<")";return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::vector<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T> std::ostream& operator<<(std::ostream &os, std::set<T> &v){ int remain = v.size(); os << "{"; for(auto e: v) os << e << (--remain == 0 ? "}" : ", "); return os; } template <class T, class K> std::ostream& operator<<(std::ostream &os, std::map<T, K> &mp){ int remain = mp.size(); os << "{"; for(auto e: mp) os << "(" << e.first << " -> " << e.second << ")" << (--remain == 0 ? "}" : ", "); return os; } #define DEBUG1(var0) { std::cerr << (#var0) << "=" << (var0) << endl; } #define DEBUG2(var0, var1) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG1(var1); } #define DEBUG3(var0, var1, var2) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG2(var1,var2); } #define DEBUG4(var0, var1, var2, var3) { std::cerr << (#var0) << "=" << (var0) << ", ";DEBUG3(var1,var2,var3); } using ll = long long; using PLI = pair <ll,int>; int N,M,S,G; int edge[300][300]; ll cost[300][300]; bool path[300]; int main() { cin.tie(0); ios_base::sync_with_stdio(0); cin >> N >> M >> S >> G; rep(i,N){ rep(j,N){ if (i == j) { continue; } cost[i][j] = INF; } } rep(i,M){ int a,b,c; cin >> a >> b >> c; edge[a][b] = c; edge[b][a] = c; cost[a][b] = c; cost[b][a] = c; } rep(k,N){ rep(i,N){ rep(j,N){ cost[i][j] = min(cost[i][j],cost[i][k] + cost[k][j]); } } } /* rep(i,N){ rep(j,N){ DEBUG3(i,j,cost[i][j]); } } */ ll all_cost = cost[S][G]; int now = S; cout << now; path[now] = true; while(now != G){ int next_cost = all_cost - cost[S][now]; int next = 0; rep(i,N){ if (!path[i] && edge[now][i] != 0) { if (next_cost == cost[i][G] + edge[now][i]) { next = i; break; } } } //DEBUG2(now,next); cout << " " << next; now = next; path[now] = true; } cout << endl; return 0; }