# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
834746 |
2023-08-22T18:10:54 Z |
Josia |
Simurgh (IOI17_simurgh) |
C++17 |
|
278 ms |
3956 KB |
#include "simurgh.h"
#include <bits/stdc++.h>
using namespace std;
int query(set<int> x) {
vector<int> edges;
for (int i: x) edges.push_back(i);
return count_common_roads(edges);
}
int n, m;
vector<vector<int>> graphList;
vector<vector<int>> graphMatrix;
vector<vector<int>> knownEdges;
struct solve {
vector<int> vis;
set<int> usedEdges;
void dfs(int v, int p, int forbidden, int col) {
if (vis[v]!=-1) return;
vis[v] = col;
if (p!=-1) {
usedEdges.insert(graphMatrix[v][p]);
}
for (int u: graphList[v]) {
if (u == forbidden) continue;
dfs(u, v, forbidden, col);
}
}
void start(int v) {
vis.assign(n, -1);
usedEdges.clear();
int col = 0;
vector<vector<int>> colors;
for (int u: graphList[v]) {
if (vis[u]==-1) {
dfs(u, -1, v, col);
col++;
colors.push_back({});
}
colors[vis[u]].push_back(u);
}
for (auto i: colors) usedEdges.insert(graphMatrix[v][i[0]]);
for (auto i: colors) {
vector<int> vals;
usedEdges.erase(graphMatrix[v][i[0]]);
int hi = -1;
for (int j: i) {
if (knownEdges[v][j] != -1 && hi == -1) {
usedEdges.insert(graphMatrix[v][j]);
vals.push_back(query(usedEdges));
usedEdges.erase(graphMatrix[v][j]);
if (knownEdges[v][j] == 1) hi = vals.back();
if (knownEdges[v][j] == 0) hi = vals.back()+1;
continue;
}
if (knownEdges[v][j] != -1 && hi != -1) {
if (knownEdges[v][j] == 1) vals.push_back(hi);
if (knownEdges[v][j] == 0) vals.push_back(hi-1);
continue;
}
usedEdges.insert(graphMatrix[v][j]);
vals.push_back(query(usedEdges));
usedEdges.erase(graphMatrix[v][j]);
}
usedEdges.insert(graphMatrix[v][i[0]]);
if (hi == -1) hi = *max_element(vals.begin(), vals.end());
for (int j = 0; j<(int)i.size(); j++) {
if (vals[j] == hi) {
knownEdges[i[j]][v] = 1;
knownEdges[v][i[j]] = 1;
}
else {
knownEdges[i[j]][v] = 0;
knownEdges[v][i[j]] = 0;
}
}
}
}
vector<int> output;
solve() {
for (int i = 0; i<n; i++) {
start(i);
}
output.clear();
for (int i = 0; i<n; i++) {
for (int j = i+1; j<n; j++) {
if (knownEdges[i][j]==0) continue;
if (knownEdges[i][j]==-1) continue;
// assert(knownEdges[i][j]==1);
output.push_back(graphMatrix[i][j]);
}
}
}
};
vector<int> find_roads(int _n, vector<int> u, vector<int> v) {
n = _n;
m = u.size();
graphList.assign(n, vector<int>());
graphMatrix.assign(n, vector<int>(n, -1));
knownEdges.assign(n, vector<int>(n, -1));
for (int i = 0; i<m; i++) {
graphList[u[i]].push_back(v[i]);
graphList[v[i]].push_back(u[i]);
graphMatrix[u[i]][v[i]] = i;
graphMatrix[v[i]][u[i]] = i;
}
solve sol;
return sol.output;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
correct |
2 |
Correct |
1 ms |
212 KB |
correct |
3 |
Correct |
1 ms |
212 KB |
correct |
4 |
Correct |
0 ms |
212 KB |
correct |
5 |
Correct |
1 ms |
212 KB |
correct |
6 |
Correct |
0 ms |
212 KB |
correct |
7 |
Correct |
0 ms |
212 KB |
correct |
8 |
Correct |
0 ms |
212 KB |
correct |
9 |
Correct |
0 ms |
212 KB |
correct |
10 |
Correct |
0 ms |
212 KB |
correct |
11 |
Correct |
1 ms |
212 KB |
correct |
12 |
Correct |
1 ms |
212 KB |
correct |
13 |
Correct |
1 ms |
212 KB |
correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
correct |
2 |
Correct |
1 ms |
212 KB |
correct |
3 |
Correct |
1 ms |
212 KB |
correct |
4 |
Correct |
0 ms |
212 KB |
correct |
5 |
Correct |
1 ms |
212 KB |
correct |
6 |
Correct |
0 ms |
212 KB |
correct |
7 |
Correct |
0 ms |
212 KB |
correct |
8 |
Correct |
0 ms |
212 KB |
correct |
9 |
Correct |
0 ms |
212 KB |
correct |
10 |
Correct |
0 ms |
212 KB |
correct |
11 |
Correct |
1 ms |
212 KB |
correct |
12 |
Correct |
1 ms |
212 KB |
correct |
13 |
Correct |
1 ms |
212 KB |
correct |
14 |
Correct |
4 ms |
340 KB |
correct |
15 |
Correct |
6 ms |
340 KB |
correct |
16 |
Correct |
6 ms |
364 KB |
correct |
17 |
Correct |
3 ms |
340 KB |
correct |
18 |
Correct |
2 ms |
340 KB |
correct |
19 |
Correct |
3 ms |
340 KB |
correct |
20 |
Correct |
3 ms |
340 KB |
correct |
21 |
Correct |
3 ms |
340 KB |
correct |
22 |
Correct |
3 ms |
340 KB |
correct |
23 |
Correct |
2 ms |
340 KB |
correct |
24 |
Correct |
2 ms |
300 KB |
correct |
25 |
Correct |
2 ms |
296 KB |
correct |
26 |
Correct |
2 ms |
340 KB |
correct |
27 |
Correct |
4 ms |
340 KB |
correct |
28 |
Correct |
2 ms |
340 KB |
correct |
29 |
Correct |
1 ms |
340 KB |
correct |
30 |
Correct |
4 ms |
340 KB |
correct |
31 |
Correct |
2 ms |
340 KB |
correct |
32 |
Correct |
4 ms |
340 KB |
correct |
33 |
Correct |
2 ms |
340 KB |
correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
correct |
2 |
Correct |
1 ms |
212 KB |
correct |
3 |
Correct |
1 ms |
212 KB |
correct |
4 |
Correct |
0 ms |
212 KB |
correct |
5 |
Correct |
1 ms |
212 KB |
correct |
6 |
Correct |
0 ms |
212 KB |
correct |
7 |
Correct |
0 ms |
212 KB |
correct |
8 |
Correct |
0 ms |
212 KB |
correct |
9 |
Correct |
0 ms |
212 KB |
correct |
10 |
Correct |
0 ms |
212 KB |
correct |
11 |
Correct |
1 ms |
212 KB |
correct |
12 |
Correct |
1 ms |
212 KB |
correct |
13 |
Correct |
1 ms |
212 KB |
correct |
14 |
Correct |
4 ms |
340 KB |
correct |
15 |
Correct |
6 ms |
340 KB |
correct |
16 |
Correct |
6 ms |
364 KB |
correct |
17 |
Correct |
3 ms |
340 KB |
correct |
18 |
Correct |
2 ms |
340 KB |
correct |
19 |
Correct |
3 ms |
340 KB |
correct |
20 |
Correct |
3 ms |
340 KB |
correct |
21 |
Correct |
3 ms |
340 KB |
correct |
22 |
Correct |
3 ms |
340 KB |
correct |
23 |
Correct |
2 ms |
340 KB |
correct |
24 |
Correct |
2 ms |
300 KB |
correct |
25 |
Correct |
2 ms |
296 KB |
correct |
26 |
Correct |
2 ms |
340 KB |
correct |
27 |
Correct |
4 ms |
340 KB |
correct |
28 |
Correct |
2 ms |
340 KB |
correct |
29 |
Correct |
1 ms |
340 KB |
correct |
30 |
Correct |
4 ms |
340 KB |
correct |
31 |
Correct |
2 ms |
340 KB |
correct |
32 |
Correct |
4 ms |
340 KB |
correct |
33 |
Correct |
2 ms |
340 KB |
correct |
34 |
Correct |
269 ms |
1652 KB |
correct |
35 |
Correct |
270 ms |
1760 KB |
correct |
36 |
Correct |
189 ms |
1492 KB |
correct |
37 |
Correct |
22 ms |
852 KB |
correct |
38 |
Correct |
278 ms |
1652 KB |
correct |
39 |
Correct |
234 ms |
1584 KB |
correct |
40 |
Correct |
184 ms |
1492 KB |
correct |
41 |
Correct |
267 ms |
1652 KB |
correct |
42 |
Correct |
267 ms |
1748 KB |
correct |
43 |
Correct |
148 ms |
1368 KB |
correct |
44 |
Correct |
124 ms |
1108 KB |
correct |
45 |
Correct |
152 ms |
1272 KB |
correct |
46 |
Correct |
125 ms |
1108 KB |
correct |
47 |
Correct |
55 ms |
980 KB |
correct |
48 |
Correct |
15 ms |
724 KB |
correct |
49 |
Correct |
23 ms |
852 KB |
correct |
50 |
Correct |
54 ms |
980 KB |
correct |
51 |
Correct |
147 ms |
1152 KB |
correct |
52 |
Correct |
121 ms |
1196 KB |
correct |
53 |
Correct |
110 ms |
1164 KB |
correct |
54 |
Correct |
148 ms |
1340 KB |
correct |
55 |
Correct |
140 ms |
1256 KB |
correct |
56 |
Correct |
140 ms |
1260 KB |
correct |
57 |
Correct |
140 ms |
1260 KB |
correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
correct |
2 |
Correct |
1 ms |
212 KB |
correct |
3 |
Incorrect |
180 ms |
3956 KB |
WA in grader: NO |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
correct |
2 |
Correct |
1 ms |
212 KB |
correct |
3 |
Correct |
1 ms |
212 KB |
correct |
4 |
Correct |
0 ms |
212 KB |
correct |
5 |
Correct |
1 ms |
212 KB |
correct |
6 |
Correct |
0 ms |
212 KB |
correct |
7 |
Correct |
0 ms |
212 KB |
correct |
8 |
Correct |
0 ms |
212 KB |
correct |
9 |
Correct |
0 ms |
212 KB |
correct |
10 |
Correct |
0 ms |
212 KB |
correct |
11 |
Correct |
1 ms |
212 KB |
correct |
12 |
Correct |
1 ms |
212 KB |
correct |
13 |
Correct |
1 ms |
212 KB |
correct |
14 |
Correct |
4 ms |
340 KB |
correct |
15 |
Correct |
6 ms |
340 KB |
correct |
16 |
Correct |
6 ms |
364 KB |
correct |
17 |
Correct |
3 ms |
340 KB |
correct |
18 |
Correct |
2 ms |
340 KB |
correct |
19 |
Correct |
3 ms |
340 KB |
correct |
20 |
Correct |
3 ms |
340 KB |
correct |
21 |
Correct |
3 ms |
340 KB |
correct |
22 |
Correct |
3 ms |
340 KB |
correct |
23 |
Correct |
2 ms |
340 KB |
correct |
24 |
Correct |
2 ms |
300 KB |
correct |
25 |
Correct |
2 ms |
296 KB |
correct |
26 |
Correct |
2 ms |
340 KB |
correct |
27 |
Correct |
4 ms |
340 KB |
correct |
28 |
Correct |
2 ms |
340 KB |
correct |
29 |
Correct |
1 ms |
340 KB |
correct |
30 |
Correct |
4 ms |
340 KB |
correct |
31 |
Correct |
2 ms |
340 KB |
correct |
32 |
Correct |
4 ms |
340 KB |
correct |
33 |
Correct |
2 ms |
340 KB |
correct |
34 |
Correct |
269 ms |
1652 KB |
correct |
35 |
Correct |
270 ms |
1760 KB |
correct |
36 |
Correct |
189 ms |
1492 KB |
correct |
37 |
Correct |
22 ms |
852 KB |
correct |
38 |
Correct |
278 ms |
1652 KB |
correct |
39 |
Correct |
234 ms |
1584 KB |
correct |
40 |
Correct |
184 ms |
1492 KB |
correct |
41 |
Correct |
267 ms |
1652 KB |
correct |
42 |
Correct |
267 ms |
1748 KB |
correct |
43 |
Correct |
148 ms |
1368 KB |
correct |
44 |
Correct |
124 ms |
1108 KB |
correct |
45 |
Correct |
152 ms |
1272 KB |
correct |
46 |
Correct |
125 ms |
1108 KB |
correct |
47 |
Correct |
55 ms |
980 KB |
correct |
48 |
Correct |
15 ms |
724 KB |
correct |
49 |
Correct |
23 ms |
852 KB |
correct |
50 |
Correct |
54 ms |
980 KB |
correct |
51 |
Correct |
147 ms |
1152 KB |
correct |
52 |
Correct |
121 ms |
1196 KB |
correct |
53 |
Correct |
110 ms |
1164 KB |
correct |
54 |
Correct |
148 ms |
1340 KB |
correct |
55 |
Correct |
140 ms |
1256 KB |
correct |
56 |
Correct |
140 ms |
1260 KB |
correct |
57 |
Correct |
140 ms |
1260 KB |
correct |
58 |
Correct |
1 ms |
212 KB |
correct |
59 |
Correct |
1 ms |
212 KB |
correct |
60 |
Incorrect |
180 ms |
3956 KB |
WA in grader: NO |
61 |
Halted |
0 ms |
0 KB |
- |