#include <bits/stdc++.h>
#include "wombats.h"
/// #pragma GCC optimize ("Ofast")
/// #pragma GCC target ("avx2")
/// #pragma GCC optimize("unroll-loops")
using namespace std;
using ll = long long;
using ii = pair<ll, ll>;
using vi = vector<int>;
#define ff first
#define ss second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lb lower_bound
const int oo = 1000 * 1000 * 1000 + 7;
int R, C, H[5000][200], K[5000][200], ST[500005];
void build(int v, int l, int r) {
if(l == r) {
ST[v] = K[l][0];
return;
}
build(v * 2, l, (l + r) / 2);
build(v * 2 + 1, (l + r) / 2 + 1, r);
ST[v] = ST[v * 2] + ST[v * 2 + 1];
}
void update(int v, int l, int r, int p, int val) {
if(l == r) {
ST[v] = val;
return;
}
int md = (l + r) / 2;
if(p <= md)
update(v * 2, l, md, p, val);
else update(v * 2 + 1, md + 1, r, p, val);
ST[v] = ST[v * 2] + ST[v * 2 + 1];
}
int query(int v, int l, int r, int lo, int hi) {
if(l > hi || r < lo) return 0;
if(l >= lo && r <= hi)
return ST[v];
return query(v * 2, l, (l + r) / 2, lo, hi)
+ query(v * 2 + 1, (l + r) / 2 + 1, r, lo, hi);
}
void init(int r, int c, int h[5000][200], int v[5000][200]) {
R = r, C = c;
for(int l = 0; l < R; l++)
for(int i = 0; i < C; i++)
H[l][i] = h[l][i],
K[l][i] = v[l][i];
if(C == 1) build(1, 0, R - 2);
}
void changeH(int P, int Q, int W) { H[P][Q] = W; }
void changeV(int P, int Q, int W) {
K[P][Q] = W;
if(C == 1) update(1, 0, R - 2, P, W);
}
using pi = pair<int, pair<int, int>>;
int escape(int V1, int V2) {
if(C == 1)
return query(1, 0, R - 2, 0, R - 2);
priority_queue<pi, vector<pi>, greater<pi>> pq;
pq.push({0, {0, V1}}); vector<vector<int>> D;
D = vector<vector<int>> (R, vector<int>(C, oo));
D[0][V1] = 0;
while(!pq.empty()) {
int U = pq.top().ss.ff, V = pq.top().ss.ss;
int W = pq.top().ff; pq.pop();
if(W != D[U][V]) continue;
if(V < C - 1) {
if(D[U][V + 1] > D[U][V] + H[U][V]) {
D[U][V + 1] = D[U][V] + H[U][V];
pq.push({D[U][V + 1], {U, V + 1}});
}
}
if(V > 0) {
if(D[U][V - 1] > D[U][V] + H[U][V - 1]) {
D[U][V - 1] = D[U][V] + H[U][V - 1];
pq.push({D[U][V - 1], {U, V - 1}});
}
}
if(U < R - 1) {
if(D[U + 1][V] > D[U][V] + K[U][V]) {
D[U + 1][V] = D[U][V] + K[U][V];
pq.push({D[U + 1][V], {U + 1, V}});
}
}
}
return D[R - 1][V2];
}
Compilation message
grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
15 | int res;
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
12116 KB |
Output is correct |
2 |
Correct |
7 ms |
12052 KB |
Output is correct |
3 |
Correct |
83 ms |
14176 KB |
Output is correct |
4 |
Correct |
7 ms |
12116 KB |
Output is correct |
5 |
Correct |
7 ms |
12116 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
26 ms |
340 KB |
Output is correct |
5 |
Correct |
9 ms |
340 KB |
Output is correct |
6 |
Correct |
10 ms |
340 KB |
Output is correct |
7 |
Correct |
19 ms |
412 KB |
Output is correct |
8 |
Correct |
13 ms |
340 KB |
Output is correct |
9 |
Correct |
17 ms |
340 KB |
Output is correct |
10 |
Correct |
14 ms |
400 KB |
Output is correct |
11 |
Correct |
7264 ms |
1512 KB |
Output is correct |
12 |
Correct |
21 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
124 ms |
684 KB |
Output is correct |
2 |
Correct |
211 ms |
908 KB |
Output is correct |
3 |
Correct |
121 ms |
692 KB |
Output is correct |
4 |
Correct |
133 ms |
680 KB |
Output is correct |
5 |
Correct |
120 ms |
696 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
202 ms |
724 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
614 ms |
16216 KB |
Output is correct |
2 |
Correct |
1303 ms |
16236 KB |
Output is correct |
3 |
Correct |
664 ms |
16224 KB |
Output is correct |
4 |
Execution timed out |
20018 ms |
16512 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
123 ms |
596 KB |
Output is correct |
2 |
Correct |
202 ms |
864 KB |
Output is correct |
3 |
Correct |
131 ms |
684 KB |
Output is correct |
4 |
Correct |
128 ms |
684 KB |
Output is correct |
5 |
Correct |
134 ms |
684 KB |
Output is correct |
6 |
Correct |
662 ms |
16212 KB |
Output is correct |
7 |
Correct |
1337 ms |
16232 KB |
Output is correct |
8 |
Correct |
645 ms |
16224 KB |
Output is correct |
9 |
Execution timed out |
20022 ms |
16588 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
123 ms |
680 KB |
Output is correct |
2 |
Correct |
202 ms |
1000 KB |
Output is correct |
3 |
Correct |
138 ms |
684 KB |
Output is correct |
4 |
Correct |
125 ms |
684 KB |
Output is correct |
5 |
Correct |
122 ms |
684 KB |
Output is correct |
6 |
Correct |
611 ms |
16332 KB |
Output is correct |
7 |
Correct |
1272 ms |
16248 KB |
Output is correct |
8 |
Correct |
611 ms |
16216 KB |
Output is correct |
9 |
Execution timed out |
20098 ms |
16548 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |