#include<bits/stdc++.h>
using namespace std;
#define int long long
const int TAILLE_MAX=1000*1000+5,DECA=(1<<20),INFINI=(int)1000*1000*1000*1000*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;
int arbreMin[2*DECA];
int calcMin(int deb,int fin) {
if (deb==fin) {
return arbreMin[deb];
}
if (deb%2==1) {
return min(arbreMin[deb],calcMin(deb+1,fin));
}
if (fin%2==0) {
return min(arbreMin[fin],calcMin(deb,fin-1));
}
return calcMin(deb/2,fin/2);
}
int calcDistNorm(int lig1,int col1,int lig2,int col2) {
if (lig1>=lig2) {
swap(lig1,lig2);
swap(col1,col2);
}
int mini=calcMin(DECA+lig1,DECA+lig2);
return lig2-lig1+abs(col1-col2)+2*max((int)0,min(col1,col2)-mini);
}
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=0;i<2*DECA;i++) {
arbreMin[i]=INFINI;
}
for (int i=1;i<=nbLig;i++) {
cin>>tailleLig[i];
interres.insert(tailleLig[i]+1);
/*for (int j=1;j<=tailleLig[i];j++) {
interres.insert(j);
}*/
arbreMin[DECA+i]=tailleLig[i]+1;
}
for (int i=DECA-1;i>0;i--) {
arbreMin[i]=min(arbreMin[2*i],arbreMin[2*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]));
}
}
}
}
int rep=calcDistNorm(ligDeb,colDeb,ligFin,colFin);
for (int i=1;i<=nbLig;i++) {
rep=min(rep,dist[i][0]+calcDistNorm(i,1,ligFin,colFin));
rep=min(rep,dist[i][corres[tailleLig[i]+1]]+calcDistNorm(i,tailleLig[i]+1,ligFin,colFin));
}
cout<<rep<<endl;
/*for (int i=1;i<=nbLig;i++) {
for (int j=0;j<nbCol;j++) {
cout<<dist[i][j]<<"\t";
}
cout<<endl;
}
cout<<dist[ligFin][corres[colFin]]<<endl;*/
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
17240 KB |
Output is correct |
2 |
Correct |
4 ms |
16988 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
16988 KB |
Output is correct |
2 |
Correct |
4 ms |
16988 KB |
Output is correct |
3 |
Correct |
5 ms |
16896 KB |
Output is correct |
4 |
Correct |
4 ms |
16988 KB |
Output is correct |
5 |
Correct |
4 ms |
17020 KB |
Output is correct |
6 |
Correct |
4 ms |
16984 KB |
Output is correct |
7 |
Correct |
4 ms |
16984 KB |
Output is correct |
8 |
Correct |
4 ms |
16988 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
17240 KB |
Output is correct |
2 |
Correct |
4 ms |
16988 KB |
Output is correct |
3 |
Correct |
7 ms |
16988 KB |
Output is correct |
4 |
Correct |
7 ms |
17244 KB |
Output is correct |
5 |
Correct |
7 ms |
17036 KB |
Output is correct |
6 |
Correct |
8 ms |
16988 KB |
Output is correct |
7 |
Correct |
6 ms |
17072 KB |
Output is correct |
8 |
Correct |
6 ms |
16988 KB |
Output is correct |
9 |
Correct |
123 ms |
20960 KB |
Output is correct |
10 |
Correct |
123 ms |
21080 KB |
Output is correct |
11 |
Correct |
123 ms |
21072 KB |
Output is correct |
12 |
Correct |
239 ms |
23836 KB |
Output is correct |
13 |
Correct |
227 ms |
24092 KB |
Output is correct |
14 |
Correct |
224 ms |
24096 KB |
Output is correct |
15 |
Correct |
262 ms |
24464 KB |
Output is correct |
16 |
Correct |
247 ms |
24668 KB |
Output is correct |
17 |
Correct |
249 ms |
24608 KB |
Output is correct |
18 |
Correct |
243 ms |
25372 KB |
Output is correct |
19 |
Correct |
217 ms |
25176 KB |
Output is correct |
20 |
Correct |
41 ms |
19292 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
17240 KB |
Output is correct |
2 |
Correct |
4 ms |
16988 KB |
Output is correct |
3 |
Correct |
7 ms |
16988 KB |
Output is correct |
4 |
Correct |
4 ms |
16988 KB |
Output is correct |
5 |
Correct |
5 ms |
16896 KB |
Output is correct |
6 |
Correct |
4 ms |
16988 KB |
Output is correct |
7 |
Correct |
4 ms |
17020 KB |
Output is correct |
8 |
Correct |
4 ms |
16984 KB |
Output is correct |
9 |
Correct |
4 ms |
16984 KB |
Output is correct |
10 |
Correct |
4 ms |
16988 KB |
Output is correct |
11 |
Correct |
7 ms |
17244 KB |
Output is correct |
12 |
Correct |
7 ms |
17036 KB |
Output is correct |
13 |
Correct |
8 ms |
16988 KB |
Output is correct |
14 |
Correct |
6 ms |
17072 KB |
Output is correct |
15 |
Correct |
6 ms |
16988 KB |
Output is correct |
16 |
Correct |
123 ms |
20960 KB |
Output is correct |
17 |
Correct |
123 ms |
21080 KB |
Output is correct |
18 |
Correct |
123 ms |
21072 KB |
Output is correct |
19 |
Correct |
239 ms |
23836 KB |
Output is correct |
20 |
Correct |
227 ms |
24092 KB |
Output is correct |
21 |
Correct |
224 ms |
24096 KB |
Output is correct |
22 |
Correct |
262 ms |
24464 KB |
Output is correct |
23 |
Correct |
247 ms |
24668 KB |
Output is correct |
24 |
Correct |
249 ms |
24608 KB |
Output is correct |
25 |
Correct |
243 ms |
25372 KB |
Output is correct |
26 |
Correct |
217 ms |
25176 KB |
Output is correct |
27 |
Correct |
41 ms |
19292 KB |
Output is correct |
28 |
Correct |
6 ms |
17240 KB |
Output is correct |
29 |
Correct |
5 ms |
17308 KB |
Output is correct |
30 |
Correct |
6 ms |
17244 KB |
Output is correct |
31 |
Correct |
8 ms |
17380 KB |
Output is correct |
32 |
Correct |
6 ms |
17164 KB |
Output is correct |
33 |
Correct |
135 ms |
22884 KB |
Output is correct |
34 |
Correct |
159 ms |
23392 KB |
Output is correct |
35 |
Correct |
172 ms |
23648 KB |
Output is correct |
36 |
Correct |
231 ms |
25904 KB |
Output is correct |
37 |
Correct |
225 ms |
25972 KB |
Output is correct |
38 |
Correct |
234 ms |
25956 KB |
Output is correct |
39 |
Correct |
225 ms |
25956 KB |
Output is correct |
40 |
Correct |
217 ms |
25952 KB |
Output is correct |
41 |
Correct |
216 ms |
25952 KB |
Output is correct |
42 |
Correct |
310 ms |
49804 KB |
Output is correct |
43 |
Correct |
327 ms |
49832 KB |
Output is correct |
44 |
Correct |
40 ms |
20316 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
16988 KB |
Output is correct |
2 |
Correct |
4 ms |
16988 KB |
Output is correct |
3 |
Correct |
5 ms |
16896 KB |
Output is correct |
4 |
Correct |
4 ms |
16988 KB |
Output is correct |
5 |
Correct |
4 ms |
17020 KB |
Output is correct |
6 |
Correct |
4 ms |
16984 KB |
Output is correct |
7 |
Correct |
4 ms |
16984 KB |
Output is correct |
8 |
Correct |
4 ms |
16988 KB |
Output is correct |
9 |
Correct |
7 ms |
17244 KB |
Output is correct |
10 |
Correct |
7 ms |
17036 KB |
Output is correct |
11 |
Correct |
8 ms |
16988 KB |
Output is correct |
12 |
Correct |
6 ms |
17072 KB |
Output is correct |
13 |
Correct |
6 ms |
16988 KB |
Output is correct |
14 |
Correct |
6 ms |
17240 KB |
Output is correct |
15 |
Correct |
5 ms |
17308 KB |
Output is correct |
16 |
Correct |
6 ms |
17244 KB |
Output is correct |
17 |
Correct |
8 ms |
17380 KB |
Output is correct |
18 |
Correct |
6 ms |
17164 KB |
Output is correct |
19 |
Correct |
1894 ms |
291452 KB |
Output is correct |
20 |
Correct |
2029 ms |
194284 KB |
Output is correct |
21 |
Correct |
2041 ms |
295040 KB |
Output is correct |
22 |
Correct |
1987 ms |
289232 KB |
Output is correct |
23 |
Correct |
1405 ms |
139672 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
17240 KB |
Output is correct |
2 |
Correct |
4 ms |
16988 KB |
Output is correct |
3 |
Correct |
7 ms |
16988 KB |
Output is correct |
4 |
Correct |
4 ms |
16988 KB |
Output is correct |
5 |
Correct |
5 ms |
16896 KB |
Output is correct |
6 |
Correct |
4 ms |
16988 KB |
Output is correct |
7 |
Correct |
4 ms |
17020 KB |
Output is correct |
8 |
Correct |
4 ms |
16984 KB |
Output is correct |
9 |
Correct |
4 ms |
16984 KB |
Output is correct |
10 |
Correct |
4 ms |
16988 KB |
Output is correct |
11 |
Correct |
7 ms |
17244 KB |
Output is correct |
12 |
Correct |
7 ms |
17036 KB |
Output is correct |
13 |
Correct |
8 ms |
16988 KB |
Output is correct |
14 |
Correct |
6 ms |
17072 KB |
Output is correct |
15 |
Correct |
6 ms |
16988 KB |
Output is correct |
16 |
Correct |
123 ms |
20960 KB |
Output is correct |
17 |
Correct |
123 ms |
21080 KB |
Output is correct |
18 |
Correct |
123 ms |
21072 KB |
Output is correct |
19 |
Correct |
239 ms |
23836 KB |
Output is correct |
20 |
Correct |
227 ms |
24092 KB |
Output is correct |
21 |
Correct |
224 ms |
24096 KB |
Output is correct |
22 |
Correct |
262 ms |
24464 KB |
Output is correct |
23 |
Correct |
247 ms |
24668 KB |
Output is correct |
24 |
Correct |
249 ms |
24608 KB |
Output is correct |
25 |
Correct |
243 ms |
25372 KB |
Output is correct |
26 |
Correct |
217 ms |
25176 KB |
Output is correct |
27 |
Correct |
41 ms |
19292 KB |
Output is correct |
28 |
Correct |
6 ms |
17240 KB |
Output is correct |
29 |
Correct |
5 ms |
17308 KB |
Output is correct |
30 |
Correct |
6 ms |
17244 KB |
Output is correct |
31 |
Correct |
8 ms |
17380 KB |
Output is correct |
32 |
Correct |
6 ms |
17164 KB |
Output is correct |
33 |
Correct |
135 ms |
22884 KB |
Output is correct |
34 |
Correct |
159 ms |
23392 KB |
Output is correct |
35 |
Correct |
172 ms |
23648 KB |
Output is correct |
36 |
Correct |
231 ms |
25904 KB |
Output is correct |
37 |
Correct |
225 ms |
25972 KB |
Output is correct |
38 |
Correct |
234 ms |
25956 KB |
Output is correct |
39 |
Correct |
225 ms |
25956 KB |
Output is correct |
40 |
Correct |
217 ms |
25952 KB |
Output is correct |
41 |
Correct |
216 ms |
25952 KB |
Output is correct |
42 |
Correct |
310 ms |
49804 KB |
Output is correct |
43 |
Correct |
327 ms |
49832 KB |
Output is correct |
44 |
Correct |
40 ms |
20316 KB |
Output is correct |
45 |
Correct |
1894 ms |
291452 KB |
Output is correct |
46 |
Correct |
2029 ms |
194284 KB |
Output is correct |
47 |
Correct |
2041 ms |
295040 KB |
Output is correct |
48 |
Correct |
1987 ms |
289232 KB |
Output is correct |
49 |
Correct |
1405 ms |
139672 KB |
Output is correct |
50 |
Runtime error |
1163 ms |
1048576 KB |
Execution killed with signal 9 |
51 |
Halted |
0 ms |
0 KB |
- |