#include<bits/stdc++.h>
using namespace std;
#define int long long
const int TAILLE_MAX=1000*1000+5;
int nbLig,ligDeb,colDeb,ligFin,colFin,nbCol;
set<int> interres;
vector<int> listeCol;
unordered_map<int,int> corres;
int tailleLig[TAILLE_MAX],posCol[TAILLE_MAX];
vector<vector<int>> dist;
priority_queue<tuple<int,int,int>> possi;
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>nbLig>>ligDeb>>colDeb>>ligFin>>colFin;
interres.insert(colDeb);
interres.insert(colFin);
interres.insert(1);
for (int i=1;i<=nbLig;i++) {
cin>>tailleLig[i];
interres.insert(tailleLig[i]+1);
}
for (int i:interres) {
corres[i]=listeCol.size();
posCol[listeCol.size()]=i;
listeCol.push_back(i);
}
nbCol=listeCol.size();
vector<int> construc;
for (int j=0;j<nbCol;j++) {
construc.push_back(-1);
}
for (int i=1;i<=nbLig+1;i++) {
dist.push_back(construc);
}
int lig,col,distCour;
possi.push(make_tuple(0,ligDeb,corres[colDeb]));
while (!possi.empty()) {
distCour=-get<0>(possi.top());
lig=get<1>(possi.top());
col=get<2>(possi.top());
possi.pop();
if (dist[lig][col]==-1) {
dist[lig][col]=distCour;
//gauche
if (col!=0) {
possi.push(make_tuple(-(distCour+posCol[col]-posCol[col-1]),lig,col-1));
}
else if (lig>1) {
possi.push(make_tuple(-(distCour+1),lig-1,corres[tailleLig[lig-1]+1]));
}
//droite
if (posCol[col]!=tailleLig[lig]+1) {
possi.push(make_tuple(-(distCour+posCol[col+1]-posCol[col]),lig,col+1));
}
else if (lig<nbLig) {
possi.push(make_tuple(-(distCour+1),lig+1,0));
}
//haut
if (lig>1) {
if (tailleLig[lig-1]+1>=posCol[col]) {
possi.push(make_tuple(-(distCour+1),lig-1,col));
}
else {
possi.push(make_tuple(-(distCour+1),lig-1,corres[tailleLig[lig-1]+1]));
}
}
//bas
if (lig<nbLig) {
if (tailleLig[lig+1]+1>=posCol[col]) {
possi.push(make_tuple(-(distCour+1),lig+1,col));
}
else {
possi.push(make_tuple(-(distCour+1),lig+1,corres[tailleLig[lig+1]+1]));
}
}
}
}
/*for (int i=1;i<=nbLig;i++) {
for (int j=0;j<nbCol;j++) {
cout<<dist[i][j]<<" ";
}
cout<<endl;
}*/
cout<<dist[ligFin][corres[colFin]]<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 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 |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
2 ms |
600 KB |
Output is correct |
5 |
Correct |
2 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
118 ms |
4432 KB |
Output is correct |
10 |
Correct |
121 ms |
4508 KB |
Output is correct |
11 |
Correct |
120 ms |
4420 KB |
Output is correct |
12 |
Correct |
217 ms |
7260 KB |
Output is correct |
13 |
Correct |
228 ms |
7644 KB |
Output is correct |
14 |
Correct |
226 ms |
7524 KB |
Output is correct |
15 |
Correct |
236 ms |
8016 KB |
Output is correct |
16 |
Correct |
244 ms |
8144 KB |
Output is correct |
17 |
Correct |
249 ms |
8076 KB |
Output is correct |
18 |
Correct |
239 ms |
8572 KB |
Output is correct |
19 |
Correct |
218 ms |
8768 KB |
Output is correct |
20 |
Correct |
35 ms |
2908 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
2 ms |
600 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
2 ms |
604 KB |
Output is correct |
15 |
Correct |
1 ms |
604 KB |
Output is correct |
16 |
Correct |
118 ms |
4432 KB |
Output is correct |
17 |
Correct |
121 ms |
4508 KB |
Output is correct |
18 |
Correct |
120 ms |
4420 KB |
Output is correct |
19 |
Correct |
217 ms |
7260 KB |
Output is correct |
20 |
Correct |
228 ms |
7644 KB |
Output is correct |
21 |
Correct |
226 ms |
7524 KB |
Output is correct |
22 |
Correct |
236 ms |
8016 KB |
Output is correct |
23 |
Correct |
244 ms |
8144 KB |
Output is correct |
24 |
Correct |
249 ms |
8076 KB |
Output is correct |
25 |
Correct |
239 ms |
8572 KB |
Output is correct |
26 |
Correct |
218 ms |
8768 KB |
Output is correct |
27 |
Correct |
35 ms |
2908 KB |
Output is correct |
28 |
Correct |
2 ms |
600 KB |
Output is correct |
29 |
Correct |
2 ms |
860 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
2 ms |
860 KB |
Output is correct |
32 |
Correct |
1 ms |
604 KB |
Output is correct |
33 |
Correct |
139 ms |
6244 KB |
Output is correct |
34 |
Correct |
150 ms |
7012 KB |
Output is correct |
35 |
Correct |
161 ms |
7008 KB |
Output is correct |
36 |
Correct |
224 ms |
9316 KB |
Output is correct |
37 |
Correct |
222 ms |
9316 KB |
Output is correct |
38 |
Correct |
233 ms |
9320 KB |
Output is correct |
39 |
Correct |
207 ms |
9316 KB |
Output is correct |
40 |
Correct |
221 ms |
9428 KB |
Output is correct |
41 |
Correct |
214 ms |
9316 KB |
Output is correct |
42 |
Correct |
298 ms |
33208 KB |
Output is correct |
43 |
Correct |
308 ms |
33184 KB |
Output is correct |
44 |
Correct |
34 ms |
3868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 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 |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
2 ms |
600 KB |
Output is correct |
10 |
Correct |
2 ms |
604 KB |
Output is correct |
11 |
Correct |
2 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
600 KB |
Output is correct |
15 |
Correct |
2 ms |
860 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
2 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
604 KB |
Output is correct |
19 |
Correct |
1703 ms |
274764 KB |
Output is correct |
20 |
Correct |
1951 ms |
177584 KB |
Output is correct |
21 |
Correct |
1833 ms |
278396 KB |
Output is correct |
22 |
Correct |
1718 ms |
272772 KB |
Output is correct |
23 |
Correct |
1202 ms |
123240 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
2 ms |
600 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
2 ms |
604 KB |
Output is correct |
15 |
Correct |
1 ms |
604 KB |
Output is correct |
16 |
Correct |
118 ms |
4432 KB |
Output is correct |
17 |
Correct |
121 ms |
4508 KB |
Output is correct |
18 |
Correct |
120 ms |
4420 KB |
Output is correct |
19 |
Correct |
217 ms |
7260 KB |
Output is correct |
20 |
Correct |
228 ms |
7644 KB |
Output is correct |
21 |
Correct |
226 ms |
7524 KB |
Output is correct |
22 |
Correct |
236 ms |
8016 KB |
Output is correct |
23 |
Correct |
244 ms |
8144 KB |
Output is correct |
24 |
Correct |
249 ms |
8076 KB |
Output is correct |
25 |
Correct |
239 ms |
8572 KB |
Output is correct |
26 |
Correct |
218 ms |
8768 KB |
Output is correct |
27 |
Correct |
35 ms |
2908 KB |
Output is correct |
28 |
Correct |
2 ms |
600 KB |
Output is correct |
29 |
Correct |
2 ms |
860 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
2 ms |
860 KB |
Output is correct |
32 |
Correct |
1 ms |
604 KB |
Output is correct |
33 |
Correct |
139 ms |
6244 KB |
Output is correct |
34 |
Correct |
150 ms |
7012 KB |
Output is correct |
35 |
Correct |
161 ms |
7008 KB |
Output is correct |
36 |
Correct |
224 ms |
9316 KB |
Output is correct |
37 |
Correct |
222 ms |
9316 KB |
Output is correct |
38 |
Correct |
233 ms |
9320 KB |
Output is correct |
39 |
Correct |
207 ms |
9316 KB |
Output is correct |
40 |
Correct |
221 ms |
9428 KB |
Output is correct |
41 |
Correct |
214 ms |
9316 KB |
Output is correct |
42 |
Correct |
298 ms |
33208 KB |
Output is correct |
43 |
Correct |
308 ms |
33184 KB |
Output is correct |
44 |
Correct |
34 ms |
3868 KB |
Output is correct |
45 |
Correct |
1703 ms |
274764 KB |
Output is correct |
46 |
Correct |
1951 ms |
177584 KB |
Output is correct |
47 |
Correct |
1833 ms |
278396 KB |
Output is correct |
48 |
Correct |
1718 ms |
272772 KB |
Output is correct |
49 |
Correct |
1202 ms |
123240 KB |
Output is correct |
50 |
Runtime error |
1107 ms |
1048576 KB |
Execution killed with signal 9 |
51 |
Halted |
0 ms |
0 KB |
- |