結果
問題 | No.468 役に立つ競技プログラミング実践編 |
ユーザー | mai |
提出日時 | 2016-12-18 12:49:11 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,931 bytes |
コンパイル時間 | 1,811 ms |
コンパイル使用メモリ | 178,984 KB |
実行使用メモリ | 25,956 KB |
最終ジャッジ日時 | 2024-12-14 08:13:56 |
合計ジャッジ時間 | 5,768 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 4 ms
8,684 KB |
testcase_01 | AC | 5 ms
9,024 KB |
testcase_02 | AC | 4 ms
8,708 KB |
testcase_03 | AC | 3 ms
9,536 KB |
testcase_04 | AC | 4 ms
9,884 KB |
testcase_05 | AC | 5 ms
9,552 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 4 ms
8,908 KB |
testcase_09 | AC | 4 ms
9,696 KB |
testcase_10 | AC | 4 ms
9,288 KB |
testcase_11 | AC | 5 ms
9,876 KB |
testcase_12 | AC | 4 ms
8,984 KB |
testcase_13 | AC | 4 ms
9,128 KB |
testcase_14 | AC | 6 ms
8,876 KB |
testcase_15 | AC | 6 ms
8,648 KB |
testcase_16 | AC | 5 ms
9,044 KB |
testcase_17 | WA | - |
testcase_18 | AC | 6 ms
9,964 KB |
testcase_19 | AC | 6 ms
9,252 KB |
testcase_20 | AC | 6 ms
9,220 KB |
testcase_21 | AC | 6 ms
9,384 KB |
testcase_22 | AC | 6 ms
9,072 KB |
testcase_23 | AC | 6 ms
9,320 KB |
testcase_24 | AC | 228 ms
25,520 KB |
testcase_25 | AC | 228 ms
25,700 KB |
testcase_26 | AC | 232 ms
25,736 KB |
testcase_27 | AC | 229 ms
25,560 KB |
testcase_28 | AC | 234 ms
25,628 KB |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | AC | 234 ms
25,516 KB |
testcase_32 | AC | 231 ms
25,564 KB |
testcase_33 | AC | 228 ms
25,712 KB |
testcase_34 | AC | 54 ms
17,020 KB |
testcase_35 | AC | 5 ms
9,592 KB |
testcase_36 | AC | 4 ms
8,520 KB |
コンパイルメッセージ
main.cpp: In function 'int main()': main.cpp:64:32: warning: narrowing conversion of 'to' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing] 64 | q.push(vector<int>{to}); | ^~ main.cpp:64:32: warning: narrowing conversion of 'to' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing] main.cpp:87:32: warning: narrowing conversion of 'to' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing] 87 | q.push(vector<int>{to}); | ^~ main.cpp:87:32: warning: narrowing conversion of 'to' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing]
ソースコード
#include<bits/stdc++.h> using namespace std; typedef unsigned int uint; typedef long long int ll; typedef unsigned long long int ull; #define debugv(v) printf("L%d %s => ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl; #define debugm(m) printf("L%d %s is..\n",__LINE__,#m);for(auto v:m){for(auto e:v){cout<<e<<" ";}cout<<endl;} #define debuga(m,w) printf("L%d %s is => ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl; #define debugaa(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[x][y]<<" ";}cout<<endl;} #define debugaar(m,w,h) printf("L%d %s is..\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;} #define ALL(v) (v).begin(),(v).end() #define BIGINT 0x7FFFFFFF #define E107 1000000007ll void printbit(int u){if(u==0)cout<<0;else{int s=0,k=0;for(;0<u;u>>=1,k++)s=(s<<1)|(u&1);for(;0<k--;s>>=1)cout<<(s&1);}} #define TIME chrono::system_clock::now() #define MILLISEC(t) (chrono::duration_cast<chrono::milliseconds>(t).count()) template<typename T1,typename T2> ostream& operator <<(ostream &o,const pair<T1,T2> p){o<<"("<<p.first<<":"<<p.second<<")";return o;} int width,height; int m,n; vector<pair<int,ll>> vertex[100010]; vector<pair<int,ll>> vertex_rev[100010]; ll dpc[100010]; ll dpl[100010]; ll dp2[100010]; ll dph[100010]; int main(){ int i,j,k; int x,y,a,b; cin>>n>>m; for (i=0;i<m;i++){ scanf("%d%d%d",&a,&b,&x); vertex[a].emplace_back(b,x); vertex_rev[b].emplace_back(a,x); } ll from,to,tick,cost; queue<vector<int>> q; q.push(vector<int>{0}); while (!q.empty()){ vector<int>& vref = q.front(); from = vref[0]; q.pop(); if (dpc[from]!=vertex_rev[from].size()) continue; dpc[from]++; for (auto p : vertex[from]){ to = p.first; cost = p.second; dpl[to] = max(dpl[to],dpl[from]+cost); dpc[to]++; q.push(vector<int>{to}); } } fill(dpc,dpc+n,0); dph[n-1] = dpl[n-1]; q.push(vector<int>{n-1}); while (!q.empty()){ vector<int>& vref = q.front(); from = vref[0]; q.pop(); if (dpc[from]!=vertex[from].size()) continue; dpc[from]++; for (auto p : vertex_rev[from]){ to = p.first; cost = p.second; //printf("%d<-%d %d\n",from,to,vertex[from].size()); if (dph[to]==0) dph[to] = dph[from]-cost; dph[to] = min(dph[to],dph[from]-cost); dpc[to]++; q.push(vector<int>{to}); } } int work=2; for (i=1;i<n-1;i++){ work+=dpl[i]==dph[i]; } //debuga(dpl,9) //debuga(dph,9) printf("%lld %lld/%lld\n",dpl[n-1],n-work,n); return 0; }