Submission #1677849
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int, int> pii; #define fst first #define snd second #define pb push_back #define REP(i, a, b) for(int i = (a), i##end = (b); i < i##end; ++i) #define DREP(i, a, b) for(int i=(a-1), i##end = (b); i >=i##end; --i) template <typename T> bool chkmax(T& a, T b) { return a < b ? a = b, 1 : 0; } template <typename T> bool chkmin(T& a, T b) { return a > b ? a = b, 1 : 0; } const int N = 400; const int M = 100000; const int oo = 0x3f3f3f3f; template<typename T> T read() { T n(0), f(1); char ch = getchar(); for( ;!isdigit(ch); ch = getchar()) if(ch == '-') f = -1; for( ; isdigit(ch); ch = getchar()) n = n * 10 + ch - 48; return n * f; } int n, m; bool ban[N + 5]; int x[M + 5], y[M + 5]; bitset <N + 5> f[N + 5]; int main() { #ifdef Wearry freopen("data.txt", "r", stdin); freopen("ans.txt", "w", stdout); #endif scanf("%d%d", &n, &m); for(int i = 1; i <= n; ++i) f[i][i] = true; for(int i = 1; i <= m; ++i) { scanf("%d%d", x + i, y + i); } for(int i = m; i >= 1; --i) { for(int j = 1; j <= n; ++j) { if(f[j][x[i]] && f[j][y[i]]) { ban[j] = true; continue; } if(f[j][x[i]]) f[j][y[i]] = true; if(f[j][y[i]]) f[j][x[i]] = true; } } int ans = 0; for(int i = 1; i <= n; ++i) if(!ban[i]) for(int j = i + 1; j <= n; ++j) if(!ban[j] && (f[i] & f[j]).none()) { ++ ans; } printf("%d\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Poor Turkeys |
User | Wearry |
Language | C++14 (GCC 5.4.1) |
Score | 1400 |
Code Size | 1606 Byte |
Status | AC |
Exec Time | 92 ms |
Memory | 1024 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:39:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ ./Main.cpp:42:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", x + i, y + i); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1400 / 1400 | ||||
Status |
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|
Set Name | Test Cases |
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Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.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, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt, 1_64.txt, 1_65.txt, 1_66.txt, 1_67.txt, 1_68.txt, 1_69.txt, 1_70.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
0_03.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 3 ms | 256 KB |
1_01.txt | AC | 3 ms | 256 KB |
1_02.txt | AC | 3 ms | 256 KB |
1_03.txt | AC | 4 ms | 256 KB |
1_04.txt | AC | 7 ms | 256 KB |
1_05.txt | AC | 6 ms | 256 KB |
1_06.txt | AC | 7 ms | 256 KB |
1_07.txt | AC | 8 ms | 256 KB |
1_08.txt | AC | 14 ms | 384 KB |
1_09.txt | AC | 16 ms | 384 KB |
1_10.txt | AC | 22 ms | 384 KB |
1_11.txt | AC | 17 ms | 384 KB |
1_12.txt | AC | 51 ms | 640 KB |
1_13.txt | AC | 78 ms | 896 KB |
1_14.txt | AC | 69 ms | 768 KB |
1_15.txt | AC | 67 ms | 768 KB |
1_16.txt | AC | 3 ms | 256 KB |
1_17.txt | AC | 2 ms | 256 KB |
1_18.txt | AC | 3 ms | 256 KB |
1_19.txt | AC | 4 ms | 256 KB |
1_20.txt | AC | 7 ms | 256 KB |
1_21.txt | AC | 6 ms | 256 KB |
1_22.txt | AC | 6 ms | 256 KB |
1_23.txt | AC | 7 ms | 256 KB |
1_24.txt | AC | 14 ms | 384 KB |
1_25.txt | AC | 13 ms | 384 KB |
1_26.txt | AC | 17 ms | 384 KB |
1_27.txt | AC | 18 ms | 384 KB |
1_28.txt | AC | 58 ms | 768 KB |
1_29.txt | AC | 68 ms | 896 KB |
1_30.txt | AC | 56 ms | 768 KB |
1_31.txt | AC | 42 ms | 640 KB |
1_32.txt | AC | 3 ms | 256 KB |
1_33.txt | AC | 3 ms | 256 KB |
1_34.txt | AC | 2 ms | 256 KB |
1_35.txt | AC | 4 ms | 256 KB |
1_36.txt | AC | 5 ms | 256 KB |
1_37.txt | AC | 5 ms | 256 KB |
1_38.txt | AC | 6 ms | 256 KB |
1_39.txt | AC | 6 ms | 256 KB |
1_40.txt | AC | 16 ms | 384 KB |
1_41.txt | AC | 17 ms | 384 KB |
1_42.txt | AC | 16 ms | 384 KB |
1_43.txt | AC | 18 ms | 384 KB |
1_44.txt | AC | 92 ms | 1024 KB |
1_45.txt | AC | 84 ms | 896 KB |
1_46.txt | AC | 81 ms | 896 KB |
1_47.txt | AC | 78 ms | 896 KB |
1_48.txt | AC | 2 ms | 256 KB |
1_49.txt | AC | 2 ms | 256 KB |
1_50.txt | AC | 2 ms | 256 KB |
1_51.txt | AC | 3 ms | 256 KB |
1_52.txt | AC | 3 ms | 256 KB |
1_53.txt | AC | 3 ms | 256 KB |
1_54.txt | AC | 3 ms | 256 KB |
1_55.txt | AC | 5 ms | 256 KB |
1_56.txt | AC | 9 ms | 384 KB |
1_57.txt | AC | 7 ms | 256 KB |
1_58.txt | AC | 8 ms | 256 KB |
1_59.txt | AC | 9 ms | 384 KB |
1_60.txt | AC | 77 ms | 896 KB |
1_61.txt | AC | 72 ms | 896 KB |
1_62.txt | AC | 67 ms | 768 KB |
1_63.txt | AC | 62 ms | 768 KB |
1_64.txt | AC | 2 ms | 256 KB |
1_65.txt | AC | 2 ms | 256 KB |
1_66.txt | AC | 2 ms | 256 KB |
1_67.txt | AC | 3 ms | 256 KB |
1_68.txt | AC | 12 ms | 384 KB |
1_69.txt | AC | 92 ms | 1024 KB |
1_70.txt | AC | 1 ms | 256 KB |