| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 864357 |
2023-10-22T15:30:42 Z |
maks007 |
Paths (BOI18_paths) |
C++14 |
|
453 ms |
42148 KB |
#include "bits/stdc++.h"
using namespace std;
#define int long long
vector <int> color;
vector <vector <int>> cntColor, g, dp;
signed main () {
int n, m, k;
cin >> n >> m >> k;
color.resize(n);
cntColor.resize(n, vector <int> (k + 1, 0));
g.resize(n);
for(int i = 0; i < n; i ++) cin >> color[i];
for(int i = 0, u, v; i < m; i ++) {
cin >> u >> v;
u --, v --;
g[u].push_back(v);
g[v].push_back(u);
cntColor[u][color[v]] ++;
cntColor[v][color[u]] ++;
}
int ans = 0;
for(int color2 = 1; color2 <= k; color2 ++) {
for(int i = 0; i < n; i ++) {
if(color[i] == color2) {
for(int color1 = 1; color1 <= k; color1 ++) {
if(color1 == color2) continue;
ans += cntColor[i][color1];
if(k == 2) continue;
for(int color3 = color1 + 1; color3 <= k; color3 ++) {
if(color3 == color2) continue;
ans += 2 * (cntColor[i][color1] * cntColor[i][color3]);
}
}
}
}
}
if(k >= 4) {
for(int v = 0; v < n; v ++) {
for(auto u : g[v]) {
if(color[u] == color[v]) continue;
for(int i = 1; i <= k; i ++) {
if(i == color[u] || color[v] == i) continue;
for(int j = 1; j <= k; j ++) {
if(j == i || j == color[u] || j == color[v]) continue;
ans += cntColor[v][i] * cntColor[u][j];
}
}
}
}
}
if(k >= 5) {
dp.resize(n, vector <int> (1 << (k + 1)));
for(int i = 0; i < n; i ++) {
for(int color1 = 1; color1 <= k; color1 ++) {
for(int color2 = color1 + 1; color2 <= k; color2 ++) {
int cnt = 0;
for(auto u : g[i]) {
if(color[u] == color1 || color[u] == color2) cnt ++;
}
dp[i][(1 << color1) ^ (1 << color2)] = cnt;
}
}
}
/*for(int mid = 0; mid < n; mid ++) {
for(auto l : g[mid]) {
if(color[mid] == color[l]) continue;
for(auto r : g[mid]) {
if(color[mid] == color[r] || color[l] == color[r]) continue;
int bitVal = ((1 << (k + 1)) - 1) ^ (1 << mid) ^ (1 << l) ^ (1 << r);
ans += dp[l][bitVal] * dp[r][bitVal];
}
}
}*/
}
cout << ans;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
105 ms |
8020 KB |
Output is correct |
| 2 |
Correct |
98 ms |
7656 KB |
Output is correct |
| 3 |
Correct |
324 ms |
41404 KB |
Output is correct |
| 4 |
Correct |
147 ms |
11108 KB |
Output is correct |
| 5 |
Correct |
142 ms |
11092 KB |
Output is correct |
| 6 |
Correct |
265 ms |
29396 KB |
Output is correct |
| 7 |
Correct |
335 ms |
41928 KB |
Output is correct |
| 8 |
Correct |
382 ms |
41992 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
105 ms |
8020 KB |
Output is correct |
| 12 |
Correct |
98 ms |
7656 KB |
Output is correct |
| 13 |
Correct |
324 ms |
41404 KB |
Output is correct |
| 14 |
Correct |
147 ms |
11108 KB |
Output is correct |
| 15 |
Correct |
142 ms |
11092 KB |
Output is correct |
| 16 |
Correct |
265 ms |
29396 KB |
Output is correct |
| 17 |
Correct |
335 ms |
41928 KB |
Output is correct |
| 18 |
Correct |
382 ms |
41992 KB |
Output is correct |
| 19 |
Correct |
109 ms |
8120 KB |
Output is correct |
| 20 |
Correct |
86 ms |
7504 KB |
Output is correct |
| 21 |
Correct |
325 ms |
41532 KB |
Output is correct |
| 22 |
Correct |
139 ms |
11088 KB |
Output is correct |
| 23 |
Correct |
152 ms |
11188 KB |
Output is correct |
| 24 |
Correct |
288 ms |
29452 KB |
Output is correct |
| 25 |
Correct |
316 ms |
41300 KB |
Output is correct |
| 26 |
Correct |
340 ms |
42148 KB |
Output is correct |
| 27 |
Correct |
104 ms |
7468 KB |
Output is correct |
| 28 |
Correct |
130 ms |
9632 KB |
Output is correct |
| 29 |
Correct |
453 ms |
41292 KB |
Output is correct |
| 30 |
Correct |
325 ms |
24252 KB |
Output is correct |
| 31 |
Correct |
267 ms |
24512 KB |
Output is correct |
| 32 |
Correct |
431 ms |
41468 KB |
Output is correct |
| 33 |
Correct |
0 ms |
348 KB |
Output is correct |
| 34 |
Correct |
0 ms |
408 KB |
Output is correct |
| 35 |
Correct |
0 ms |
344 KB |
Output is correct |
| 36 |
Correct |
0 ms |
348 KB |
Output is correct |
| 37 |
Correct |
0 ms |
348 KB |
Output is correct |
| 38 |
Correct |
0 ms |
348 KB |
Output is correct |
| 39 |
Correct |
0 ms |
348 KB |
Output is correct |
| 40 |
Correct |
0 ms |
348 KB |
Output is correct |
| 41 |
Correct |
0 ms |
348 KB |
Output is correct |
| 42 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Incorrect |
44 ms |
2600 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
