Submission #1046825
Source Code Expand
#include<stdio.h> #include<vector> #include<algorithm> using namespace std; typedef pair<int, int>pii; typedef long long ll; vector<pii>pat[100000]; int col[100000]; bool flag[100000]; bool isok; bool cont; ll cnt[3]; int ec; void dfs(int node, int c) { if (flag[node]) { if (col[node] != c)cont = true; return; } flag[node] = true; col[node] = c; cnt[c]++; int f1 = 0, f2 = 0; for (int i = 0; i < pat[node].size(); i++) { if (pat[node][i].second == 1)f1++; else f2++; dfs(pat[node][i].first, (c + pat[node][i].second) % 3); } ec += pat[node].size(); if (f1 > 0 && f2 > 0)isok = true; } int main() { int num, way; scanf("%d%d", &num, &way); for (int i = 0; i < way; i++) { int za, zb; scanf("%d%d", &za, &zb); za--, zb--; pat[za].push_back(make_pair(zb, 1)); pat[zb].push_back(make_pair(za, 2)); } ll ans = 0; for (int i = 0; i < num; i++) { if (!flag[i]) { isok = cont = false; cnt[0] = cnt[1] = cnt[2] = 0; ec = 0; dfs(i, 0); if (!isok)ans += ec / 2; else { if (!cont)ans += cnt[0] * cnt[1] + cnt[1] * cnt[2] + cnt[2] * cnt[0]; else ans += (cnt[0] + cnt[1] + cnt[2])*(cnt[0] + cnt[1] + cnt[2]); } } } printf("%lld\n", ans); }
Submission Info
Submission Time | |
---|---|
Task | F - Blackout |
User | DEGwer |
Language | C++14 (GCC 5.4.1) |
Score | 1700 |
Code Size | 1270 Byte |
Status | AC |
Exec Time | 55 ms |
Memory | 12416 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:37:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &num, &way); ^ ./Main.cpp:41:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &za, &zb); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1700 / 1700 | ||||
Status |
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Set Name | Test Cases |
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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 | 5 ms | 2560 KB |
0_01.txt | AC | 5 ms | 2560 KB |
0_02.txt | AC | 5 ms | 2560 KB |
1_00.txt | AC | 5 ms | 2560 KB |
1_01.txt | AC | 6 ms | 3072 KB |
1_02.txt | AC | 36 ms | 6144 KB |
1_03.txt | AC | 44 ms | 12416 KB |
1_04.txt | AC | 44 ms | 12416 KB |
1_05.txt | AC | 44 ms | 12416 KB |
1_06.txt | AC | 44 ms | 12416 KB |
1_07.txt | AC | 44 ms | 12416 KB |
1_08.txt | AC | 45 ms | 12416 KB |
1_09.txt | AC | 44 ms | 12416 KB |
1_10.txt | AC | 44 ms | 12416 KB |
1_11.txt | AC | 44 ms | 12416 KB |
1_12.txt | AC | 44 ms | 12416 KB |
1_13.txt | AC | 45 ms | 12416 KB |
1_14.txt | AC | 32 ms | 7028 KB |
1_15.txt | AC | 32 ms | 7028 KB |
1_16.txt | AC | 33 ms | 7028 KB |
1_17.txt | AC | 26 ms | 5120 KB |
1_18.txt | AC | 54 ms | 8192 KB |
1_19.txt | AC | 50 ms | 8192 KB |
1_20.txt | AC | 50 ms | 8064 KB |
1_21.txt | AC | 50 ms | 8192 KB |
1_22.txt | AC | 50 ms | 8192 KB |
1_23.txt | AC | 49 ms | 8192 KB |
1_24.txt | AC | 49 ms | 8064 KB |
1_25.txt | AC | 50 ms | 8192 KB |
1_26.txt | AC | 50 ms | 8192 KB |
1_27.txt | AC | 49 ms | 8064 KB |
1_28.txt | AC | 50 ms | 8192 KB |
1_29.txt | AC | 50 ms | 8192 KB |
1_30.txt | AC | 50 ms | 8064 KB |
1_31.txt | AC | 49 ms | 8192 KB |
1_32.txt | AC | 50 ms | 8192 KB |
1_33.txt | AC | 55 ms | 8192 KB |
1_34.txt | AC | 50 ms | 8192 KB |
1_35.txt | AC | 46 ms | 7552 KB |
1_36.txt | AC | 51 ms | 7936 KB |
1_37.txt | AC | 52 ms | 8192 KB |
1_38.txt | AC | 45 ms | 7168 KB |
1_39.txt | AC | 44 ms | 6784 KB |
1_40.txt | AC | 51 ms | 8192 KB |
1_41.txt | AC | 51 ms | 8320 KB |
1_42.txt | AC | 46 ms | 7680 KB |
1_43.txt | AC | 48 ms | 7552 KB |
1_44.txt | AC | 50 ms | 8192 KB |
1_45.txt | AC | 42 ms | 6528 KB |
1_46.txt | AC | 49 ms | 8320 KB |
1_47.txt | AC | 51 ms | 8192 KB |
1_48.txt | AC | 46 ms | 7424 KB |
1_49.txt | AC | 48 ms | 7936 KB |