Submission #2176614
Source Code Expand
#include<iostream> #include<iomanip> //#include<cstdio> #include<vector> #include<map> #include<queue> #include<algorithm> #include<cmath> #include<cassert> using namespace std; typedef long long ll; const int INF = 1e8; int N, G, E, P[100]; int A[100000], B[100000]; struct edge { int to, cap, rev; // destination, capacity, index for reversed edge }; class FlowGraph{ vector<vector<edge> > graph; int dfs(int v, int t, int f, vector<bool> &used){ if(v == t) return f; used[v] = true; for(int i=0; i<graph[v].size(); i++){ edge &e = graph[v][i]; if(!used[e.to] && e.cap > 0){ int d = dfs(e.to, t, min(e.cap, f), used); if(d>0){ e.cap -= d; graph[e.to][e.rev].cap += d; return d; } } } return 0; } public: FlowGraph(int n_vertex){ graph = vector<vector<edge> >(n_vertex); } void add_edge(int from, int to, int cap){ graph[from].push_back((edge){to, cap, graph[to].size()}); graph[to].push_back((edge){from, 0, graph[from].size()-1}); } unsigned int size(){ return graph.size(); } int max_flow(int s, int t){ int flow = 0; while(true){ vector<bool> used(size(), false); int f = dfs(s, t, INF, used); if(f==0) return flow; flow += f; } } }; int main(){ cin >> N >> G >> E; for(int i=0; i<G; i++) cin >> P[i]; for(int i=0; i<E; i++) cin >> A[i] >> B[i]; FlowGraph g(N+1); for(int i=0; i<E; i++){ g.add_edge(A[i], B[i], 1); g.add_edge(B[i], A[i], 1); } for(int i=0; i<G; i++){ g.add_edge(P[i], N, 1); } cout << g.max_flow(0, N) << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - 浮気予防 |
User | emak |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 1557 Byte |
Status | AC |
Exec Time | 5 ms |
Memory | 640 KB |
Compile Error
./Main.cpp: In member function ‘void FlowGraph::add_edge(int, int, int)’: ./Main.cpp:45:55: warning: narrowing conversion of ‘(&((FlowGraph*)this)->FlowGraph::graph.std::vector<_Tp, _Alloc>::operator[]<std::vector<edge>, std::allocator<std::vector<edge> > >(((std::vector<std::vector<edge> >::size_type)to)))->std::vector<_Tp, _Alloc>::size<edge, std::allocator<edge> >()’ from ‘std::vector<edge>::size_type {aka long unsigned int}’ to ‘int’ inside { } [-Wnarrowing] graph[from].push_back((edge){to, cap, graph[to].size()}); ^ ./Main.cpp:46:57: warning: narrowing conversion of ‘((&((FlowGraph*)this)->FlowGraph::graph.std::vector<_Tp, _Alloc>::operator[]<std::vector<edge>, std::allocator<std::vector<edge> > >(((std::vector<std::vector<edge> >::size_type)from)))->std::vector<_Tp, _Alloc>::size<edge, std::allocator<edge> >() + 18446744073709551615ul)’ from ‘std::vector<edge>::size_type {aka long unsigned int}’ to ‘int’ inside { } [-Wnarrowing] graph[to].push...
Judge Result
Set Name | part | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 99 / 99 | 1 / 1 | ||||
Status |
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Set Name | Test Cases |
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part | test_01_AB.txt, test_02_AB.txt, test_03_AB.txt, test_04_AB.txt, test_05_AB.txt, test_06_AB.txt, test_07_AB.txt, test_08_AB.txt, test_09_AB.txt, test_10_AB.txt, test_11_AB.txt, test_12_AB.txt, test_13_AB.txt, test_14_AB.txt, test_15_AB.txt, test_16_AB.txt, test_17_AB.txt, test_18_AB.txt, test_19_AB.txt, test_20_AB.txt, test_21_AB.txt, test_22_AB.txt, test_23_AB.txt, test_24_AB.txt, test_25_AB.txt, test_41_AB.txt, test_47_AB.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_05.txt, sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_05.txt, test_01_AB.txt, test_02_AB.txt, test_03_AB.txt, test_04_AB.txt, test_05_AB.txt, test_06_AB.txt, test_07_AB.txt, test_08_AB.txt, test_09_AB.txt, test_10_AB.txt, test_11_AB.txt, test_12_AB.txt, test_13_AB.txt, test_14_AB.txt, test_15_AB.txt, test_16_AB.txt, test_17_AB.txt, test_18_AB.txt, test_19_AB.txt, test_20_AB.txt, test_21_AB.txt, test_22_AB.txt, test_23_AB.txt, test_24_AB.txt, test_25_AB.txt, test_26_A.txt, test_27_A.txt, test_28_A.txt, test_29_A.txt, test_30_A.txt, test_31_A.txt, test_32_A.txt, test_33_A.txt, test_34_A.txt, test_35_A.txt, test_36_A.txt, test_37_A.txt, test_38_A.txt, test_39_A.txt, test_40_A.txt, test_41_AB.txt, test_42_A.txt, test_43_A.txt, test_44_A.txt, test_45_A.txt, test_46_A.txt, test_47_AB.txt, test_48_A.txt, test_49_A.txt, test_50_A.txt, test_51_A.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
sample_04.txt | AC | 1 ms | 256 KB |
sample_05.txt | AC | 1 ms | 256 KB |
test_01_AB.txt | AC | 1 ms | 256 KB |
test_02_AB.txt | AC | 1 ms | 256 KB |
test_03_AB.txt | AC | 1 ms | 256 KB |
test_04_AB.txt | AC | 1 ms | 256 KB |
test_05_AB.txt | AC | 1 ms | 256 KB |
test_06_AB.txt | AC | 1 ms | 256 KB |
test_07_AB.txt | AC | 1 ms | 256 KB |
test_08_AB.txt | AC | 1 ms | 256 KB |
test_09_AB.txt | AC | 1 ms | 256 KB |
test_10_AB.txt | AC | 1 ms | 256 KB |
test_11_AB.txt | AC | 1 ms | 256 KB |
test_12_AB.txt | AC | 1 ms | 256 KB |
test_13_AB.txt | AC | 1 ms | 256 KB |
test_14_AB.txt | AC | 1 ms | 256 KB |
test_15_AB.txt | AC | 1 ms | 256 KB |
test_16_AB.txt | AC | 1 ms | 256 KB |
test_17_AB.txt | AC | 1 ms | 256 KB |
test_18_AB.txt | AC | 1 ms | 256 KB |
test_19_AB.txt | AC | 1 ms | 256 KB |
test_20_AB.txt | AC | 1 ms | 256 KB |
test_21_AB.txt | AC | 1 ms | 256 KB |
test_22_AB.txt | AC | 1 ms | 256 KB |
test_23_AB.txt | AC | 1 ms | 256 KB |
test_24_AB.txt | AC | 1 ms | 256 KB |
test_25_AB.txt | AC | 1 ms | 256 KB |
test_26_A.txt | AC | 5 ms | 640 KB |
test_27_A.txt | AC | 5 ms | 640 KB |
test_28_A.txt | AC | 4 ms | 640 KB |
test_29_A.txt | AC | 4 ms | 640 KB |
test_30_A.txt | AC | 4 ms | 640 KB |
test_31_A.txt | AC | 4 ms | 640 KB |
test_32_A.txt | AC | 1 ms | 256 KB |
test_33_A.txt | AC | 2 ms | 512 KB |
test_34_A.txt | AC | 1 ms | 256 KB |
test_35_A.txt | AC | 2 ms | 384 KB |
test_36_A.txt | AC | 1 ms | 256 KB |
test_37_A.txt | AC | 2 ms | 384 KB |
test_38_A.txt | AC | 1 ms | 256 KB |
test_39_A.txt | AC | 1 ms | 256 KB |
test_40_A.txt | AC | 1 ms | 256 KB |
test_41_AB.txt | AC | 1 ms | 256 KB |
test_42_A.txt | AC | 2 ms | 384 KB |
test_43_A.txt | AC | 1 ms | 256 KB |
test_44_A.txt | AC | 2 ms | 384 KB |
test_45_A.txt | AC | 1 ms | 256 KB |
test_46_A.txt | AC | 1 ms | 256 KB |
test_47_AB.txt | AC | 1 ms | 256 KB |
test_48_A.txt | AC | 1 ms | 256 KB |
test_49_A.txt | AC | 1 ms | 256 KB |
test_50_A.txt | AC | 1 ms | 256 KB |
test_51_A.txt | AC | 1 ms | 256 KB |