結果
問題 | No.2712 Play more! |
ユーザー | shihaka(C_plplplpl) |
提出日時 | 2024-03-31 15:12:53 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,172 bytes |
コンパイル時間 | 4,887 ms |
コンパイル使用メモリ | 280,076 KB |
実行使用メモリ | 20,212 KB |
最終ジャッジ日時 | 2024-09-30 20:24:34 |
合計ジャッジ時間 | 6,358 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 | 9 ms
18,944 KB |
testcase_01 | AC | 9 ms
18,924 KB |
testcase_02 | AC | 9 ms
18,940 KB |
testcase_03 | AC | 10 ms
18,784 KB |
testcase_04 | WA | - |
testcase_05 | AC | 9 ms
18,948 KB |
testcase_06 | AC | 9 ms
19,000 KB |
testcase_07 | AC | 13 ms
19,096 KB |
testcase_08 | AC | 12 ms
18,980 KB |
testcase_09 | AC | 12 ms
19,076 KB |
testcase_10 | WA | - |
testcase_11 | AC | 13 ms
19,044 KB |
testcase_12 | AC | 12 ms
18,976 KB |
testcase_13 | AC | 12 ms
19,216 KB |
testcase_14 | AC | 12 ms
19,052 KB |
testcase_15 | AC | 18 ms
19,392 KB |
testcase_16 | AC | 13 ms
19,160 KB |
testcase_17 | AC | 12 ms
19,256 KB |
testcase_18 | AC | 12 ms
19,068 KB |
testcase_19 | AC | 11 ms
19,084 KB |
testcase_20 | AC | 14 ms
19,284 KB |
testcase_21 | AC | 15 ms
19,600 KB |
testcase_22 | AC | 14 ms
19,040 KB |
testcase_23 | AC | 14 ms
19,412 KB |
testcase_24 | AC | 12 ms
19,140 KB |
testcase_25 | AC | 12 ms
19,348 KB |
testcase_26 | AC | 11 ms
19,144 KB |
testcase_27 | AC | 11 ms
18,980 KB |
testcase_28 | AC | 11 ms
19,060 KB |
testcase_29 | AC | 12 ms
19,204 KB |
testcase_30 | AC | 14 ms
19,100 KB |
testcase_31 | AC | 17 ms
20,212 KB |
testcase_32 | AC | 15 ms
19,160 KB |
testcase_33 | AC | 9 ms
18,824 KB |
testcase_34 | WA | - |
testcase_35 | AC | 9 ms
18,780 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; #define overload5(a,b,c,d,e,name,...) name #define overload4(a,b,c,d,name,...) name #define overload3(a,b,c,name,...) name #define rep1(n) for(ll i=0;i<n;++i) #define rep2(i,n) for(ll i=0;i<n;++i) #define rep3(i,a,b) for(ll i=a;i<b;++i) #define rep4(i,a,b,c) for(ll i=a;i<b;i+=c) #define rep(...) overload4(__VA_ARGS__,rep4,rep3,rep2,rep1)(__VA_ARGS__) #define rrep1(n) for(ll i=n;i--;) #define rrep2(i,n) for(ll i=n;i--;) #define rrep3(i,a,b) for(ll i=a;i>=(b);--i) #define rrep4(i,a,b,c) for(ll i=a;i>=(b);i-=c) #define rrep(...) overload4(__VA_ARGS__,rrep4,rrep3,rrep2,rrep1)(__VA_ARGS__) #define ALL1(i) begin(i),end(i) #define ALL2(i,a) begin(i),begin(i)+a #define ALL3(i,a,b) begin(i)+a,begin(i)+b #define ALL(...) overload3(__VA_ARGS__,ALL3,ALL2,ALL1)(__VA_ARGS__) #define sz(a) ((ll)a.size()) #define lb(v, x) distance((v).begin(), lower_bound(ALL(v), (x))) #define lbg(v, x) distance((v).begin(), lower_bound(ALL(v), (x), greater{})) #define ub(v, x) distance((v).begin(), upper_bound(ALL(v), (x))) #define ubg(v, x) distance((v).begin(), upper_bound(ALL(v), (x), greater{})) #define SORT(v) sort(ALL(v)) #define RSORT(v) sort(rbegin(v),rend(v)) #define REV(v) reverse(ALL(v)) using ll = long long; using P = pair<ll,ll>; using vb = vector<bool>; using vvb = vector<vb>; using vc = vector<char>; using vvc = vector<vc>; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vvvvi = vector<vvvi>; using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vvvvl = vector<vvvl>; using vd = vector<double>; using vvd = vector<vd>; using vp = vector<P>; using vvp = vector<vp>; using vs = vector<string>; using vvs = vector<vs>; constexpr ll zero=0; constexpr ll LINF=2e18; constexpr ll INF=1001001001; constexpr int dx[8]={-1,0,1,0,-1,1,1,-1}; constexpr int dy[8]={0,1,0,-1,1,1,-1,-1}; template<typename T1, typename T2> inline bool chmax(T1 &a, T2 b) {return ((a < b) ? (a = b, true) : (false));} template<typename T1, typename T2> inline bool chmin(T1 &a, T2 b) {return ((a > b) ? (a = b, true) : (false));} template<typename T> bool inRange(const T &x, const T &l, const T &r) {return l <= x & x < r;} constexpr ll div_floor(ll x, ll y) {assert(y != 0); return (x - ((x%y+y)%y)) / y;} constexpr ll div_ceil(ll x, ll y) {assert(y != 0); return (x + ((y-x%y)%y)) / y;} using mint = modint998244353; vvl To(ll n, ll m, bool directed = false) { vvl to(n); while(m--) { ll u, v; cin >> u >> v; u--, v--; to[u].push_back(v); if(!directed) to[v].push_back(u); } return to; } vvp ToW(ll n, ll m, bool directed = false) { vvp to(n); while(m--) { ll u, v, w; cin >> u >> v >> w; u--, v--; to[u].emplace_back(v, w); if(!directed) to[v].emplace_back(u, w); } return to; } ll MAX_V = 500005; // first:to, second:cost ll n, m; vl a; bool tf = false; vector<vector<P>> to(MAX_V); vector<ll> dist(MAX_V,-LINF); void dijkstra(ll s) { priority_queue<tuple<ll,ll,vb>> que; dist[s] = a[0]; vb iv(n); iv[0] = true; que.push({a[0], s, iv}); while(!que.empty()) { auto [d, v, vis] = que.top(); que.pop(); if(dist[v] > d) continue; for(ll i = 0; i < to[v].size(); i++) { P e = to[v][i]; if(vis[e.first]) { tf = true; continue; } if(dist[e.first] < dist[v] + a[e.first] - e.second) { dist[e.first] = dist[v] + a[e.first] - e.second; vis[e.first] = true; que.emplace(dist[e.first], e.first, vis); vis[e.first] = false; } } } } int main() { cin >> n >> m; a.resize(n); rep(i,n) cin >> a[i]; vl x(m), y(m), z(m); rep(i,m) cin >> x[i] >> y[i] >> z[i]; rep(i,m) { x[i]--; y[i]--; to[x[i]].push_back({y[i], z[i]}); } dijkstra(0); if(tf) { cout << "inf" << endl; } else { cout << dist[n-1] << endl; } return 0; }