Submission #2168926
Source Code Expand
#include <cstdio> int n, m, a[100009], b[100009]; bool r[409][409], f[409]; int main() { scanf("%d %d", &n, &m); for (int i = m - 1; i >= 0; i--) scanf("%d %d", &a[i], &b[i]), a[i]--, b[i]--; for (int i = 0; i < n; i++) { r[i][i] = true; for (int j = 0; j < m; j++) { if (r[i][a[j]] && r[i][b[j]]) f[i] = true; if (r[i][a[j]]) r[i][b[j]] = true; if (r[i][b[j]]) r[i][a[j]] = true; } } int ret = 0; for (int i = 0; i < n; i++) { for (int j = i + 1; j < n; j++) { bool ok = true; for (int k = 0; k < n; k++) { if (r[i][k] && r[j][k]) ok = false; } if (ok && !f[i] && !f[j]) ret++; } } printf("%d\n", ret); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Poor Turkeys |
User | square1001 |
Language | C++14 (GCC 5.4.1) |
Score | 1400 |
Code Size | 684 Byte |
Status | AC |
Exec Time | 107 ms |
Memory | 1152 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:4:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ ./Main.cpp:5:79: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i = m - 1; i >= 0; i--) scanf("%d %d", &a[i], &b[i]), a[i]--, b[i]--; ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1400 / 1400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
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 | 128 KB |
0_01.txt | AC | 1 ms | 128 KB |
0_02.txt | AC | 1 ms | 128 KB |
0_03.txt | AC | 1 ms | 128 KB |
1_00.txt | AC | 28 ms | 384 KB |
1_01.txt | AC | 29 ms | 384 KB |
1_02.txt | AC | 31 ms | 384 KB |
1_03.txt | AC | 36 ms | 384 KB |
1_04.txt | AC | 38 ms | 384 KB |
1_05.txt | AC | 37 ms | 384 KB |
1_06.txt | AC | 38 ms | 384 KB |
1_07.txt | AC | 38 ms | 384 KB |
1_08.txt | AC | 44 ms | 384 KB |
1_09.txt | AC | 45 ms | 384 KB |
1_10.txt | AC | 49 ms | 512 KB |
1_11.txt | AC | 45 ms | 512 KB |
1_12.txt | AC | 71 ms | 768 KB |
1_13.txt | AC | 94 ms | 1024 KB |
1_14.txt | AC | 84 ms | 896 KB |
1_15.txt | AC | 85 ms | 896 KB |
1_16.txt | AC | 29 ms | 384 KB |
1_17.txt | AC | 30 ms | 384 KB |
1_18.txt | AC | 31 ms | 384 KB |
1_19.txt | AC | 35 ms | 384 KB |
1_20.txt | AC | 36 ms | 384 KB |
1_21.txt | AC | 38 ms | 384 KB |
1_22.txt | AC | 38 ms | 384 KB |
1_23.txt | AC | 38 ms | 384 KB |
1_24.txt | AC | 44 ms | 384 KB |
1_25.txt | AC | 43 ms | 384 KB |
1_26.txt | AC | 44 ms | 512 KB |
1_27.txt | AC | 47 ms | 512 KB |
1_28.txt | AC | 79 ms | 768 KB |
1_29.txt | AC | 88 ms | 896 KB |
1_30.txt | AC | 76 ms | 768 KB |
1_31.txt | AC | 65 ms | 640 KB |
1_32.txt | AC | 29 ms | 384 KB |
1_33.txt | AC | 30 ms | 384 KB |
1_34.txt | AC | 30 ms | 384 KB |
1_35.txt | AC | 35 ms | 384 KB |
1_36.txt | AC | 35 ms | 384 KB |
1_37.txt | AC | 37 ms | 384 KB |
1_38.txt | AC | 39 ms | 384 KB |
1_39.txt | AC | 38 ms | 384 KB |
1_40.txt | AC | 45 ms | 384 KB |
1_41.txt | AC | 47 ms | 512 KB |
1_42.txt | AC | 44 ms | 384 KB |
1_43.txt | AC | 46 ms | 512 KB |
1_44.txt | AC | 101 ms | 1024 KB |
1_45.txt | AC | 95 ms | 1024 KB |
1_46.txt | AC | 93 ms | 1024 KB |
1_47.txt | AC | 90 ms | 896 KB |
1_48.txt | AC | 26 ms | 384 KB |
1_49.txt | AC | 26 ms | 384 KB |
1_50.txt | AC | 27 ms | 384 KB |
1_51.txt | AC | 34 ms | 384 KB |
1_52.txt | AC | 31 ms | 384 KB |
1_53.txt | AC | 30 ms | 384 KB |
1_54.txt | AC | 30 ms | 384 KB |
1_55.txt | AC | 35 ms | 384 KB |
1_56.txt | AC | 33 ms | 384 KB |
1_57.txt | AC | 33 ms | 384 KB |
1_58.txt | AC | 34 ms | 384 KB |
1_59.txt | AC | 40 ms | 384 KB |
1_60.txt | AC | 78 ms | 896 KB |
1_61.txt | AC | 76 ms | 896 KB |
1_62.txt | AC | 75 ms | 896 KB |
1_63.txt | AC | 71 ms | 896 KB |
1_64.txt | AC | 24 ms | 384 KB |
1_65.txt | AC | 24 ms | 384 KB |
1_66.txt | AC | 25 ms | 384 KB |
1_67.txt | AC | 39 ms | 384 KB |
1_68.txt | AC | 42 ms | 384 KB |
1_69.txt | AC | 107 ms | 1152 KB |
1_70.txt | AC | 1 ms | 128 KB |