Submission #3004942
Source Code Expand
#include <bits/stdc++.h> using namespace std; int n,m; bitset<400> S[400]; int x[200005], y[200005]; bool no[200005]; int main() { scanf("%d%d", &n, &m); for (int i=0; i<n; i++) S[i][i] = 1; for (int i=0; i<m; i++) scanf("%d%d", &x[i], &y[i]), --x[i], --y[i]; for (int i=m-1; i>=0; i--) { for (int j=0; j<n; j++) { if (S[j][x[i]] && S[j][y[i]]) no[j] = 1; else if (S[j][x[i]]) S[j][y[i]] = 1; else if (S[j][y[i]]) S[j][x[i]] = 1; } } int ans = 0; for (int i=0; i<n-1; i++) for (int j=i+1; j<n; j++) if (!no[i] && !no[j] && !(S[i] & S[j]).count()) { ++ans; } printf("%d\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - NRE |
User | vjudge4 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 628 Byte |
Status | RE |
Exec Time | 103 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:9:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ ./Main.cpp:11:69: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i=0; i<m; i++) scanf("%d%d", &x[i], &y[i]), --x[i], --y[i]; ^
Judge Result
Set Name | Sample | All | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1000 | ||||||||||
Status |
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|
Set Name | Test Cases |
---|---|
Sample | example_0, example_1, example_2, example_3, example_4, example_5, example_6 |
All | cent_0, cent_1, cent_2, cent_3, cent_4, cent_5, cent_6, cent_7, cent_8, cent_9, example_0, example_1, example_2, example_3, example_4, example_5, example_6, full_0, full_1, full_10, full_11, full_12, full_13, full_14, full_15, full_16, full_17, full_18, full_19, full_2, full_3, full_4, full_5, full_6, full_7, full_8, full_9, maxrand_0, maxrand_1, maxrand_10, maxrand_11, maxrand_12, maxrand_13, maxrand_14, maxrand_15, maxrand_16, maxrand_17, maxrand_18, maxrand_19, maxrand_2, maxrand_20, maxrand_21, maxrand_22, maxrand_23, maxrand_24, maxrand_25, maxrand_26, maxrand_27, maxrand_28, maxrand_29, maxrand_3, maxrand_4, maxrand_5, maxrand_6, maxrand_7, maxrand_8, maxrand_9, rand_0, rand_1, rand_10, rand_11, rand_12, rand_13, rand_14, rand_15, rand_16, rand_17, rand_18, rand_19, rand_2, rand_3, rand_4, rand_5, rand_6, rand_7, rand_8, rand_9, small_0, small_1, small_2, small_3, small_4, small_5, small_6, small_7, small_8, small_9, smallwidth_0, smallwidth_1, smallwidth_10, smallwidth_11, smallwidth_12, smallwidth_13, smallwidth_14, smallwidth_15, smallwidth_16, smallwidth_17, smallwidth_18, smallwidth_19, smallwidth_2, smallwidth_20, smallwidth_21, smallwidth_22, smallwidth_23, smallwidth_24, smallwidth_25, smallwidth_26, smallwidth_27, smallwidth_28, smallwidth_29, smallwidth_3, smallwidth_4, smallwidth_5, smallwidth_6, smallwidth_7, smallwidth_8, smallwidth_9 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
cent_0 | RE | 97 ms | 256 KB |
cent_1 | RE | 97 ms | 256 KB |
cent_2 | RE | 97 ms | 256 KB |
cent_3 | RE | 97 ms | 256 KB |
cent_4 | RE | 98 ms | 256 KB |
cent_5 | RE | 97 ms | 256 KB |
cent_6 | RE | 96 ms | 256 KB |
cent_7 | RE | 98 ms | 256 KB |
cent_8 | RE | 98 ms | 256 KB |
cent_9 | RE | 97 ms | 256 KB |
example_0 | RE | 97 ms | 256 KB |
example_1 | RE | 97 ms | 256 KB |
example_2 | RE | 97 ms | 256 KB |
example_3 | WA | 1 ms | 256 KB |
example_4 | WA | 1 ms | 256 KB |
example_5 | RE | 98 ms | 256 KB |
example_6 | WA | 1 ms | 256 KB |
full_0 | RE | 98 ms | 256 KB |
full_1 | RE | 97 ms | 256 KB |
full_10 | RE | 97 ms | 256 KB |
full_11 | RE | 98 ms | 256 KB |
full_12 | RE | 97 ms | 256 KB |
full_13 | RE | 97 ms | 256 KB |
full_14 | RE | 98 ms | 256 KB |
full_15 | RE | 97 ms | 256 KB |
full_16 | RE | 98 ms | 256 KB |
full_17 | RE | 97 ms | 256 KB |
full_18 | RE | 97 ms | 256 KB |
full_19 | RE | 97 ms | 256 KB |
full_2 | RE | 97 ms | 256 KB |
full_3 | RE | 97 ms | 256 KB |
full_4 | RE | 100 ms | 256 KB |
full_5 | RE | 98 ms | 256 KB |
full_6 | RE | 97 ms | 256 KB |
full_7 | RE | 98 ms | 256 KB |
full_8 | RE | 97 ms | 256 KB |
full_9 | RE | 98 ms | 256 KB |
maxrand_0 | RE | 97 ms | 256 KB |
maxrand_1 | RE | 97 ms | 256 KB |
maxrand_10 | RE | 97 ms | 256 KB |
maxrand_11 | RE | 99 ms | 256 KB |
maxrand_12 | RE | 96 ms | 256 KB |
maxrand_13 | RE | 97 ms | 256 KB |
maxrand_14 | RE | 98 ms | 256 KB |
maxrand_15 | RE | 97 ms | 256 KB |
maxrand_16 | RE | 97 ms | 256 KB |
maxrand_17 | RE | 97 ms | 256 KB |
maxrand_18 | RE | 97 ms | 256 KB |
maxrand_19 | RE | 97 ms | 256 KB |
maxrand_2 | RE | 102 ms | 256 KB |
maxrand_20 | RE | 103 ms | 256 KB |
maxrand_21 | RE | 97 ms | 256 KB |
maxrand_22 | RE | 97 ms | 256 KB |
maxrand_23 | RE | 98 ms | 256 KB |
maxrand_24 | RE | 97 ms | 256 KB |
maxrand_25 | RE | 98 ms | 256 KB |
maxrand_26 | RE | 97 ms | 256 KB |
maxrand_27 | RE | 97 ms | 256 KB |
maxrand_28 | RE | 97 ms | 256 KB |
maxrand_29 | RE | 98 ms | 256 KB |
maxrand_3 | RE | 97 ms | 256 KB |
maxrand_4 | RE | 98 ms | 256 KB |
maxrand_5 | RE | 97 ms | 256 KB |
maxrand_6 | RE | 97 ms | 256 KB |
maxrand_7 | RE | 97 ms | 256 KB |
maxrand_8 | RE | 98 ms | 256 KB |
maxrand_9 | RE | 97 ms | 256 KB |
rand_0 | RE | 97 ms | 256 KB |
rand_1 | RE | 97 ms | 256 KB |
rand_10 | RE | 97 ms | 256 KB |
rand_11 | RE | 98 ms | 256 KB |
rand_12 | RE | 97 ms | 256 KB |
rand_13 | RE | 97 ms | 256 KB |
rand_14 | RE | 97 ms | 256 KB |
rand_15 | RE | 96 ms | 256 KB |
rand_16 | RE | 97 ms | 256 KB |
rand_17 | RE | 98 ms | 256 KB |
rand_18 | RE | 97 ms | 256 KB |
rand_19 | RE | 97 ms | 256 KB |
rand_2 | RE | 98 ms | 256 KB |
rand_3 | RE | 97 ms | 256 KB |
rand_4 | RE | 97 ms | 256 KB |
rand_5 | RE | 97 ms | 256 KB |
rand_6 | RE | 99 ms | 256 KB |
rand_7 | RE | 101 ms | 256 KB |
rand_8 | RE | 97 ms | 256 KB |
rand_9 | RE | 97 ms | 256 KB |
small_0 | WA | 1 ms | 256 KB |
small_1 | WA | 1 ms | 256 KB |
small_2 | WA | 1 ms | 256 KB |
small_3 | WA | 1 ms | 256 KB |
small_4 | RE | 97 ms | 256 KB |
small_5 | WA | 1 ms | 256 KB |
small_6 | WA | 1 ms | 256 KB |
small_7 | WA | 1 ms | 256 KB |
small_8 | WA | 1 ms | 256 KB |
small_9 | AC | 1 ms | 256 KB |
smallwidth_0 | RE | 97 ms | 256 KB |
smallwidth_1 | RE | 97 ms | 256 KB |
smallwidth_10 | RE | 97 ms | 256 KB |
smallwidth_11 | RE | 97 ms | 256 KB |
smallwidth_12 | RE | 97 ms | 256 KB |
smallwidth_13 | RE | 97 ms | 256 KB |
smallwidth_14 | RE | 98 ms | 256 KB |
smallwidth_15 | RE | 98 ms | 256 KB |
smallwidth_16 | RE | 97 ms | 256 KB |
smallwidth_17 | RE | 97 ms | 256 KB |
smallwidth_18 | RE | 97 ms | 256 KB |
smallwidth_19 | RE | 97 ms | 256 KB |
smallwidth_2 | RE | 97 ms | 256 KB |
smallwidth_20 | RE | 97 ms | 256 KB |
smallwidth_21 | RE | 97 ms | 256 KB |
smallwidth_22 | RE | 97 ms | 256 KB |
smallwidth_23 | RE | 96 ms | 256 KB |
smallwidth_24 | RE | 97 ms | 256 KB |
smallwidth_25 | RE | 97 ms | 256 KB |
smallwidth_26 | RE | 97 ms | 256 KB |
smallwidth_27 | RE | 97 ms | 256 KB |
smallwidth_28 | RE | 97 ms | 256 KB |
smallwidth_29 | RE | 97 ms | 256 KB |
smallwidth_3 | RE | 97 ms | 256 KB |
smallwidth_4 | RE | 97 ms | 256 KB |
smallwidth_5 | RE | 96 ms | 256 KB |
smallwidth_6 | RE | 97 ms | 256 KB |
smallwidth_7 | RE | 97 ms | 256 KB |
smallwidth_8 | RE | 97 ms | 256 KB |
smallwidth_9 | RE | 97 ms | 256 KB |