| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1098821 |
2024-10-10T05:54:10 Z |
damamila |
Mecho (IOI09_mecho) |
C++14 |
|
1000 ms |
65536 KB |
#include <bits/stdc++.h>
using namespace std;
#define int long long
int n, s;
int x3, x2, y3, y2;
vector<vector<char>> grid;
vector<vector<int>> tim; //saves time the bees get there
vector<vector<int>> dist; //saves latest time can leave current spot to get to house on time
vector<vector<int>> steps;
vector<pair<int, int>> direc = {
{1, 0},
{-1, 0},
{0, 1},
{0, -1}
};
bool check(int i, int j) {
if (i < 0 || j < 0 || i == n || j == n) return false; //out of bounds
if (grid[i][j] == 'M' || grid[i][j] == 'G') return true; //good next field
return false;
}
bool check2(int i, int j) {
if (i < 0 || j < 0 || i == n || j == n) return false; //out of bounds
if (grid[i][j] == 'M' || grid[i][j] == 'G' || grid[i][j] == 'D') return true; //good next field
return false;
}
void bfs1() {
queue<tuple<int, int, int>> q;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (grid[i][j] == 'H') q.push({0, i, j});
}
}
while (!q.empty()) {
auto [d, i, j] = q.front();
q.pop();
if (tim[i][j] <= d) continue;
tim[i][j] = d;
for (auto [x, y] : direc) {
if (check(i+x, j+y)) q.push({d+1, i+x, j+y});
}
}
}
void bfs2() {
priority_queue<tuple<int, int, int, int>> pq; //dist, i, j, steps left
pq.push({1e9, x2, y2, s});
while (!pq.empty()) {
auto [d, i, j, step] = pq.top();
//~ cout << d << " " << i << " " << j << " " << step << endl;
pq.pop();
if (tim[i][j] <= d) {
d = tim[i][j]-1;
step = s;
}
if (step == 0) {
d--;
step = s;
}
if (dist[i][j] > d || (dist[i][j] == d && steps[i][j] >= d)) continue;
dist[i][j] = d;
steps[i][j] = step;
for (auto [x, y] : direc) {
if (check(i+x, j+y)) pq.push({d, i+x, j+y, step-1});
}
}
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> n >> s;
grid = vector<vector<char>> (n, vector<char> (n));
tim = vector<vector<int>> (n, vector<int> (n, 1e9));
dist = vector<vector<int>> (n, vector<int> (n, -1));
steps = vector<vector<int>> (n, vector<int> (n, 0));
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
cin >> grid[i][j];
if (grid[i][j] == 'D') {
x2 = i; y2 = j;
}
if (grid[i][j] == 'M') {
x3 = i; y3 = j;
}
}
}
bfs1(); //calculates how long it takes for fields to be infected with bees
//~ for (int i = 0; i < n; i++) {
//~ for (int j = 0; j < n; j++) {
//~ cout << tim[i][j] << " ";
//~ }
//~ cout << endl;
//~ }
//now need to calc movement somehow
bfs2();
//~ for (int i = 0; i < n; i++) {
//~ for (int j = 0; j < n; j++) {
//~ cout << dist[i][j] << " ";
//~ }
//~ cout << endl;
//~ }
int ans = 0;
for (auto [x, y] : direc) {
if (check2(x3+x, y3+y)) ans = max(ans, dist[x3+x][y3+y]);
}
cout << ans << endl;
}
Compilation message
mecho.cpp: In function 'void bfs1()':
mecho.cpp:41:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
41 | auto [d, i, j] = q.front();
| ^
mecho.cpp:45:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
45 | for (auto [x, y] : direc) {
| ^
mecho.cpp: In function 'void bfs2()':
mecho.cpp:55:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
55 | auto [d, i, j, step] = pq.top();
| ^
mecho.cpp:69:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
69 | for (auto [x, y] : direc) {
| ^
mecho.cpp: In function 'int main()':
mecho.cpp:111:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
111 | for (auto [x, y] : direc) {
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
| 2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 4 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Runtime error |
144 ms |
65536 KB |
Execution killed with signal 9 |
| 8 |
Incorrect |
1 ms |
604 KB |
Output isn't correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 13 |
Runtime error |
415 ms |
65536 KB |
Execution killed with signal 9 |
| 14 |
Runtime error |
604 ms |
65536 KB |
Execution killed with signal 9 |
| 15 |
Incorrect |
0 ms |
600 KB |
Output isn't correct |
| 16 |
Correct |
26 ms |
860 KB |
Output is correct |
| 17 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 18 |
Correct |
178 ms |
1620 KB |
Output is correct |
| 19 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
| 20 |
Runtime error |
303 ms |
65536 KB |
Execution killed with signal 9 |
| 21 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
| 22 |
Execution timed out |
1034 ms |
33428 KB |
Time limit exceeded |
| 23 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 24 |
Execution timed out |
1093 ms |
16848 KB |
Time limit exceeded |
| 25 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
| 26 |
Runtime error |
682 ms |
65536 KB |
Execution killed with signal 9 |
| 27 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 28 |
Runtime error |
375 ms |
65536 KB |
Execution killed with signal 9 |
| 29 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 30 |
Runtime error |
340 ms |
65536 KB |
Execution killed with signal 9 |
| 31 |
Incorrect |
1 ms |
600 KB |
Output isn't correct |
| 32 |
Runtime error |
495 ms |
65536 KB |
Execution killed with signal 9 |
| 33 |
Incorrect |
5 ms |
3420 KB |
Output isn't correct |
| 34 |
Runtime error |
210 ms |
65536 KB |
Execution killed with signal 9 |
| 35 |
Correct |
20 ms |
3676 KB |
Output is correct |
| 36 |
Incorrect |
7 ms |
4444 KB |
Output isn't correct |
| 37 |
Runtime error |
205 ms |
65536 KB |
Execution killed with signal 9 |
| 38 |
Correct |
26 ms |
4444 KB |
Output is correct |
| 39 |
Incorrect |
9 ms |
5468 KB |
Output isn't correct |
| 40 |
Runtime error |
211 ms |
65536 KB |
Execution killed with signal 9 |
| 41 |
Correct |
34 ms |
5724 KB |
Output is correct |
| 42 |
Incorrect |
10 ms |
6748 KB |
Output isn't correct |
| 43 |
Runtime error |
202 ms |
65536 KB |
Execution killed with signal 9 |
| 44 |
Correct |
43 ms |
6952 KB |
Output is correct |
| 45 |
Incorrect |
13 ms |
8024 KB |
Output isn't correct |
| 46 |
Runtime error |
197 ms |
65536 KB |
Execution killed with signal 9 |
| 47 |
Correct |
57 ms |
8284 KB |
Output is correct |
| 48 |
Incorrect |
16 ms |
9476 KB |
Output isn't correct |
| 49 |
Runtime error |
206 ms |
65536 KB |
Execution killed with signal 9 |
| 50 |
Correct |
64 ms |
9564 KB |
Output is correct |
| 51 |
Incorrect |
17 ms |
11096 KB |
Output isn't correct |
| 52 |
Runtime error |
217 ms |
65536 KB |
Execution killed with signal 9 |
| 53 |
Correct |
73 ms |
11388 KB |
Output is correct |
| 54 |
Incorrect |
20 ms |
12888 KB |
Output isn't correct |
| 55 |
Runtime error |
208 ms |
65536 KB |
Execution killed with signal 9 |
| 56 |
Correct |
86 ms |
13116 KB |
Output is correct |
| 57 |
Incorrect |
23 ms |
14684 KB |
Output isn't correct |
| 58 |
Runtime error |
202 ms |
65536 KB |
Execution killed with signal 9 |
| 59 |
Correct |
111 ms |
14940 KB |
Output is correct |
| 60 |
Incorrect |
26 ms |
16728 KB |
Output isn't correct |
| 61 |
Runtime error |
208 ms |
65536 KB |
Execution killed with signal 9 |
| 62 |
Correct |
113 ms |
16976 KB |
Output is correct |
| 63 |
Correct |
123 ms |
16872 KB |
Output is correct |
| 64 |
Runtime error |
290 ms |
65536 KB |
Execution killed with signal 9 |
| 65 |
Execution timed out |
1028 ms |
65536 KB |
Time limit exceeded |
| 66 |
Runtime error |
708 ms |
65536 KB |
Execution killed with signal 9 |
| 67 |
Incorrect |
117 ms |
16728 KB |
Output isn't correct |
| 68 |
Runtime error |
274 ms |
65536 KB |
Execution killed with signal 9 |
| 69 |
Runtime error |
221 ms |
65536 KB |
Execution killed with signal 9 |
| 70 |
Runtime error |
836 ms |
65536 KB |
Execution killed with signal 9 |
| 71 |
Execution timed out |
1071 ms |
49868 KB |
Time limit exceeded |
| 72 |
Runtime error |
244 ms |
65536 KB |
Execution killed with signal 9 |
| 73 |
Execution timed out |
1099 ms |
52340 KB |
Time limit exceeded |
| 74 |
Runtime error |
409 ms |
65536 KB |
Execution killed with signal 9 |
| 75 |
Execution timed out |
1060 ms |
52500 KB |
Time limit exceeded |
| 76 |
Execution timed out |
1076 ms |
52456 KB |
Time limit exceeded |
| 77 |
Runtime error |
334 ms |
65536 KB |
Execution killed with signal 9 |
| 78 |
Runtime error |
417 ms |
65536 KB |
Execution killed with signal 9 |
| 79 |
Runtime error |
256 ms |
65536 KB |
Execution killed with signal 9 |
| 80 |
Execution timed out |
1026 ms |
52384 KB |
Time limit exceeded |
| 81 |
Execution timed out |
1022 ms |
52392 KB |
Time limit exceeded |
| 82 |
Execution timed out |
1016 ms |
35816 KB |
Time limit exceeded |
| 83 |
Runtime error |
423 ms |
65536 KB |
Execution killed with signal 9 |
| 84 |
Runtime error |
343 ms |
65536 KB |
Execution killed with signal 9 |
| 85 |
Runtime error |
172 ms |
65536 KB |
Execution killed with signal 9 |
| 86 |
Runtime error |
270 ms |
65536 KB |
Execution killed with signal 9 |
| 87 |
Runtime error |
135 ms |
65536 KB |
Execution killed with signal 9 |
| 88 |
Runtime error |
178 ms |
65536 KB |
Execution killed with signal 9 |
| 89 |
Runtime error |
483 ms |
65536 KB |
Execution killed with signal 9 |
| 90 |
Runtime error |
150 ms |
65536 KB |
Execution killed with signal 9 |
| 91 |
Execution timed out |
1077 ms |
51496 KB |
Time limit exceeded |
| 92 |
Runtime error |
166 ms |
65536 KB |
Execution killed with signal 9 |
