Submission #956899
Source Code Expand
#include <iostream> #include <algorithm> #include <map> #include <string> #include <set> #include <vector> #include <queue> #include <stack> #include <cmath> #include <bitset> #include <random> #include <cassert> #include <cstdio> #include <cstring> #include <complex> #include <functional> using namespace std; #define rep(i,a,b) for(int i = (a); i < int(b); ++i) #define rrep(i,a,b) for(int i = (b); i --> int(a);) #define all(v) v.begin(),v.end() #define trav(x, v) for(auto &x : v) #define sz(v) int((v).size()) typedef long long ll; typedef vector<int> vi; typedef pair<int,int> pii; typedef long double ld; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int n, m; cin >> n >> m; vi in(n), out(n); vector<vi> gr(n); vector<vi> type(n); rep(_,0,m){ int a,b; cin >> a >> b; --a, --b; ++in[a], ++out[b]; gr[a].push_back(b), gr[b].push_back(a); type[a].push_back(1); type[b].push_back(2); } ll ans = 0; vector<bool> vis(n); vector<int> col(n); rep(i,0,n) if(!vis[i]){ bool paint = 0, paintall = 0; int stor = 0; int es = 0; ll cnt[3] = {}; function<void(int)> f = [&](int v){ ++cnt[col[v]]; vis[v] = 1; es += in[v]; ++stor; paint |= in[v] && out[v]; rep(i,0,sz(gr[v])){ int u = gr[v][i]; int ucol = (col[v]+type[v][i])%3; if(!vis[u]){ col[u] = ucol; f(u); } else if(col[u] != ucol){ paintall = 1; } } }; f(i); if(paintall) ans += (ll)stor*(stor-1) + stor; else if(paint) ans += cnt[0]*cnt[1] + cnt[1]*cnt[2] + cnt[2]*cnt[0]; else ans += es; } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | F - Blackout |
User | aitch |
Language | C++14 (GCC 5.4.1) |
Score | 1700 |
Code Size | 1669 Byte |
Status | AC |
Exec Time | 76 ms |
Memory | 18688 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1700 / 1700 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 3 ms | 256 KB |
0_01.txt | AC | 2 ms | 256 KB |
0_02.txt | AC | 3 ms | 256 KB |
1_00.txt | AC | 3 ms | 256 KB |
1_01.txt | AC | 14 ms | 6144 KB |
1_02.txt | AC | 54 ms | 12416 KB |
1_03.txt | AC | 57 ms | 18688 KB |
1_04.txt | AC | 57 ms | 18688 KB |
1_05.txt | AC | 59 ms | 18688 KB |
1_06.txt | AC | 57 ms | 18688 KB |
1_07.txt | AC | 57 ms | 18688 KB |
1_08.txt | AC | 57 ms | 18688 KB |
1_09.txt | AC | 57 ms | 18688 KB |
1_10.txt | AC | 59 ms | 18688 KB |
1_11.txt | AC | 59 ms | 18688 KB |
1_12.txt | AC | 57 ms | 18688 KB |
1_13.txt | AC | 59 ms | 18688 KB |
1_14.txt | AC | 41 ms | 13168 KB |
1_15.txt | AC | 43 ms | 13168 KB |
1_16.txt | AC | 42 ms | 13168 KB |
1_17.txt | AC | 22 ms | 2816 KB |
1_18.txt | AC | 69 ms | 13312 KB |
1_19.txt | AC | 70 ms | 13312 KB |
1_20.txt | AC | 68 ms | 13184 KB |
1_21.txt | AC | 68 ms | 13312 KB |
1_22.txt | AC | 70 ms | 13312 KB |
1_23.txt | AC | 70 ms | 13312 KB |
1_24.txt | AC | 67 ms | 13184 KB |
1_25.txt | AC | 73 ms | 13312 KB |
1_26.txt | AC | 68 ms | 13056 KB |
1_27.txt | AC | 67 ms | 13184 KB |
1_28.txt | AC | 67 ms | 13184 KB |
1_29.txt | AC | 68 ms | 13312 KB |
1_30.txt | AC | 67 ms | 13056 KB |
1_31.txt | AC | 67 ms | 13056 KB |
1_32.txt | AC | 68 ms | 13312 KB |
1_33.txt | AC | 68 ms | 13312 KB |
1_34.txt | AC | 63 ms | 11264 KB |
1_35.txt | AC | 56 ms | 8320 KB |
1_36.txt | AC | 75 ms | 10112 KB |
1_37.txt | AC | 70 ms | 12416 KB |
1_38.txt | AC | 54 ms | 7168 KB |
1_39.txt | AC | 51 ms | 6528 KB |
1_40.txt | AC | 76 ms | 12800 KB |
1_41.txt | AC | 71 ms | 12800 KB |
1_42.txt | AC | 58 ms | 9216 KB |
1_43.txt | AC | 56 ms | 8576 KB |
1_44.txt | AC | 65 ms | 11392 KB |
1_45.txt | AC | 48 ms | 5760 KB |
1_46.txt | AC | 65 ms | 11904 KB |
1_47.txt | AC | 68 ms | 12672 KB |
1_48.txt | AC | 55 ms | 7936 KB |
1_49.txt | AC | 60 ms | 9856 KB |