# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
864356 |
2023-10-22T15:29:58 Z |
maks007 |
Paths (BOI18_paths) |
C++14 |
|
453 ms |
41880 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 |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 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 |
109 ms |
8020 KB |
Output is correct |
2 |
Correct |
88 ms |
7508 KB |
Output is correct |
3 |
Correct |
338 ms |
41300 KB |
Output is correct |
4 |
Correct |
140 ms |
11088 KB |
Output is correct |
5 |
Correct |
139 ms |
11088 KB |
Output is correct |
6 |
Correct |
238 ms |
29632 KB |
Output is correct |
7 |
Correct |
319 ms |
41444 KB |
Output is correct |
8 |
Correct |
353 ms |
41880 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
109 ms |
8020 KB |
Output is correct |
12 |
Correct |
88 ms |
7508 KB |
Output is correct |
13 |
Correct |
338 ms |
41300 KB |
Output is correct |
14 |
Correct |
140 ms |
11088 KB |
Output is correct |
15 |
Correct |
139 ms |
11088 KB |
Output is correct |
16 |
Correct |
238 ms |
29632 KB |
Output is correct |
17 |
Correct |
319 ms |
41444 KB |
Output is correct |
18 |
Correct |
353 ms |
41880 KB |
Output is correct |
19 |
Correct |
108 ms |
8020 KB |
Output is correct |
20 |
Correct |
88 ms |
7404 KB |
Output is correct |
21 |
Correct |
326 ms |
41448 KB |
Output is correct |
22 |
Correct |
142 ms |
10996 KB |
Output is correct |
23 |
Correct |
139 ms |
11128 KB |
Output is correct |
24 |
Correct |
288 ms |
29636 KB |
Output is correct |
25 |
Correct |
322 ms |
41388 KB |
Output is correct |
26 |
Correct |
354 ms |
41832 KB |
Output is correct |
27 |
Correct |
101 ms |
7404 KB |
Output is correct |
28 |
Correct |
135 ms |
9568 KB |
Output is correct |
29 |
Correct |
402 ms |
41640 KB |
Output is correct |
30 |
Correct |
312 ms |
24356 KB |
Output is correct |
31 |
Correct |
330 ms |
24544 KB |
Output is correct |
32 |
Correct |
453 ms |
41296 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
0 ms |
348 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
0 ms |
348 KB |
Output is correct |
40 |
Correct |
1 ms |
344 KB |
Output is correct |
41 |
Correct |
0 ms |
348 KB |
Output is correct |
42 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Runtime error |
46 ms |
5156 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |