| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 75257 |
2018-09-09T03:08:21 Z |
jangwonyoung |
Seats (IOI18_seats) |
C++14 |
|
3748 ms |
103740 KB |
#include "seats.h"
#include<iostream>
#include<algorithm>
using namespace std;
int n,m,k;
int posx[1000001],posy[1000001];
vector<vector<int> >num;
int minv[2097152],minc[2097152];
int lazy[2097152];
int a[5];
inline void build(int id,int l,int r){
minc[id]=r-l+1;
if(l==r) return;
int mid=(l+r)/2;
build(id*2,l,mid);
build(id*2+1,mid+1,r);
}
inline void supd(int id,int l,int r,int ll,int rr,int v){
if(l>rr || r<ll) return;
if(ll<=l && r<=rr){
lazy[id]+=v;
minv[id]+=v;
return;
}
int mid=(l+r)/2;
supd(id*2,l,mid,ll,rr,v);
supd(id*2+1,mid+1,r,ll,rr,v);
int lc=id*2,rc=id*2+1;
if(minv[lc]<minv[rc]) minv[id]=minv[lc],minc[id]=minc[lc];
else if(minv[lc]>minv[rc]) minv[id]=minv[rc],minc[id]=minc[rc];
else minv[id]=minv[lc],minc[id]=minc[lc]+minc[rc];
minv[id]+=lazy[id];
}
inline void upd(int x,int y,int v){
a[0]=num[x][y];
a[1]=num[x][y-1];
a[2]=num[x-1][y];
a[3]=num[x-1][y-1];
sort(a,a+4);
//cout << "UPD " << x << ' ' << y << ' ' << a[1] << ' ' << a[2] << ' ' << a[3] << ' ' << a[4] << ' ' << v << endl;;
if(a[0]<a[1]) supd(1,0,k-1,a[0],a[1]-1,v);
if(a[2]<a[3]) supd(1,0,k-1,a[2],a[3]-1,v);
}
inline void change(int x,int y,int v){
upd(x,y,-1);
upd(x+1,y,-1);
upd(x,y+1,-1);
upd(x+1,y+1,-1);
num[x][y]=v;
upd(x,y,1);
upd(x+1,y,1);
upd(x,y+1,1);
upd(x+1,y+1,1);
}
void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
n=H;
m=W;
k=n*m;
n+=2;
m+=2;
num.resize(n);
for(int i=0; i<n ;i++){
num[i].resize(m);
num[i][0]=num[i][m-1]=k;
}
for(int i=0; i<m ;i++){
num[0][i]=num[n-1][i]=k;
}
build(1,0,k-1);
for(int i=0; i<k ;i++){
R[i]++;
C[i]++;
posx[i]=R[i];
posy[i]=C[i];
num[posx[i]][posy[i]]=i;
}
for(int i=1; i<n ;i++)
for(int j=1; j<m ;j++)
upd(i,j,1);
}
int swap_seats(int a, int b) {
change(posx[a],posy[a],b);
change(posx[b],posy[b],a);
swap(posx[a],posx[b]);
swap(posy[a],posy[b]);
return minc[1];//minv must be 4
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
504 KB |
Output is correct |
| 2 |
Correct |
21 ms |
580 KB |
Output is correct |
| 3 |
Correct |
32 ms |
688 KB |
Output is correct |
| 4 |
Correct |
19 ms |
688 KB |
Output is correct |
| 5 |
Correct |
18 ms |
688 KB |
Output is correct |
| 6 |
Correct |
27 ms |
688 KB |
Output is correct |
| 7 |
Correct |
28 ms |
688 KB |
Output is correct |
| 8 |
Correct |
40 ms |
688 KB |
Output is correct |
| 9 |
Correct |
27 ms |
708 KB |
Output is correct |
| 10 |
Correct |
29 ms |
780 KB |
Output is correct |
| 11 |
Correct |
33 ms |
780 KB |
Output is correct |
| 12 |
Correct |
19 ms |
800 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
504 KB |
Output is correct |
| 2 |
Correct |
21 ms |
580 KB |
Output is correct |
| 3 |
Correct |
32 ms |
688 KB |
Output is correct |
| 4 |
Correct |
19 ms |
688 KB |
Output is correct |
| 5 |
Correct |
18 ms |
688 KB |
Output is correct |
| 6 |
Correct |
27 ms |
688 KB |
Output is correct |
| 7 |
Correct |
28 ms |
688 KB |
Output is correct |
| 8 |
Correct |
40 ms |
688 KB |
Output is correct |
| 9 |
Correct |
27 ms |
708 KB |
Output is correct |
| 10 |
Correct |
29 ms |
780 KB |
Output is correct |
| 11 |
Correct |
33 ms |
780 KB |
Output is correct |
| 12 |
Correct |
19 ms |
800 KB |
Output is correct |
| 13 |
Correct |
85 ms |
1312 KB |
Output is correct |
| 14 |
Correct |
99 ms |
1404 KB |
Output is correct |
| 15 |
Correct |
45 ms |
1440 KB |
Output is correct |
| 16 |
Correct |
52 ms |
1968 KB |
Output is correct |
| 17 |
Correct |
63 ms |
1968 KB |
Output is correct |
| 18 |
Correct |
57 ms |
1968 KB |
Output is correct |
| 19 |
Correct |
59 ms |
1968 KB |
Output is correct |
| 20 |
Correct |
45 ms |
1968 KB |
Output is correct |
| 21 |
Correct |
38 ms |
1968 KB |
Output is correct |
| 22 |
Correct |
37 ms |
1968 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2484 ms |
52772 KB |
Output is correct |
| 2 |
Correct |
1266 ms |
52908 KB |
Output is correct |
| 3 |
Correct |
1210 ms |
52940 KB |
Output is correct |
| 4 |
Correct |
941 ms |
52940 KB |
Output is correct |
| 5 |
Correct |
1071 ms |
52940 KB |
Output is correct |
| 6 |
Correct |
924 ms |
52940 KB |
Output is correct |
| 7 |
Correct |
1062 ms |
52940 KB |
Output is correct |
| 8 |
Correct |
1141 ms |
52940 KB |
Output is correct |
| 9 |
Correct |
1157 ms |
52940 KB |
Output is correct |
| 10 |
Correct |
1158 ms |
52940 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
67 ms |
52940 KB |
Output is correct |
| 2 |
Correct |
171 ms |
52940 KB |
Output is correct |
| 3 |
Correct |
1041 ms |
52940 KB |
Output is correct |
| 4 |
Correct |
2313 ms |
52940 KB |
Output is correct |
| 5 |
Correct |
902 ms |
58588 KB |
Output is correct |
| 6 |
Correct |
2229 ms |
103740 KB |
Output is correct |
| 7 |
Correct |
987 ms |
103740 KB |
Output is correct |
| 8 |
Correct |
1223 ms |
103740 KB |
Output is correct |
| 9 |
Correct |
1207 ms |
103740 KB |
Output is correct |
| 10 |
Correct |
1126 ms |
103740 KB |
Output is correct |
| 11 |
Correct |
1064 ms |
103740 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
45 ms |
103740 KB |
Output is correct |
| 2 |
Correct |
104 ms |
103740 KB |
Output is correct |
| 3 |
Correct |
161 ms |
103740 KB |
Output is correct |
| 4 |
Correct |
219 ms |
103740 KB |
Output is correct |
| 5 |
Correct |
331 ms |
103740 KB |
Output is correct |
| 6 |
Correct |
1373 ms |
103740 KB |
Output is correct |
| 7 |
Correct |
1740 ms |
103740 KB |
Output is correct |
| 8 |
Correct |
1371 ms |
103740 KB |
Output is correct |
| 9 |
Correct |
2930 ms |
103740 KB |
Output is correct |
| 10 |
Correct |
1360 ms |
103740 KB |
Output is correct |
| 11 |
Correct |
1391 ms |
103740 KB |
Output is correct |
| 12 |
Correct |
1271 ms |
103740 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
504 KB |
Output is correct |
| 2 |
Correct |
21 ms |
580 KB |
Output is correct |
| 3 |
Correct |
32 ms |
688 KB |
Output is correct |
| 4 |
Correct |
19 ms |
688 KB |
Output is correct |
| 5 |
Correct |
18 ms |
688 KB |
Output is correct |
| 6 |
Correct |
27 ms |
688 KB |
Output is correct |
| 7 |
Correct |
28 ms |
688 KB |
Output is correct |
| 8 |
Correct |
40 ms |
688 KB |
Output is correct |
| 9 |
Correct |
27 ms |
708 KB |
Output is correct |
| 10 |
Correct |
29 ms |
780 KB |
Output is correct |
| 11 |
Correct |
33 ms |
780 KB |
Output is correct |
| 12 |
Correct |
19 ms |
800 KB |
Output is correct |
| 13 |
Correct |
85 ms |
1312 KB |
Output is correct |
| 14 |
Correct |
99 ms |
1404 KB |
Output is correct |
| 15 |
Correct |
45 ms |
1440 KB |
Output is correct |
| 16 |
Correct |
52 ms |
1968 KB |
Output is correct |
| 17 |
Correct |
63 ms |
1968 KB |
Output is correct |
| 18 |
Correct |
57 ms |
1968 KB |
Output is correct |
| 19 |
Correct |
59 ms |
1968 KB |
Output is correct |
| 20 |
Correct |
45 ms |
1968 KB |
Output is correct |
| 21 |
Correct |
38 ms |
1968 KB |
Output is correct |
| 22 |
Correct |
37 ms |
1968 KB |
Output is correct |
| 23 |
Correct |
2484 ms |
52772 KB |
Output is correct |
| 24 |
Correct |
1266 ms |
52908 KB |
Output is correct |
| 25 |
Correct |
1210 ms |
52940 KB |
Output is correct |
| 26 |
Correct |
941 ms |
52940 KB |
Output is correct |
| 27 |
Correct |
1071 ms |
52940 KB |
Output is correct |
| 28 |
Correct |
924 ms |
52940 KB |
Output is correct |
| 29 |
Correct |
1062 ms |
52940 KB |
Output is correct |
| 30 |
Correct |
1141 ms |
52940 KB |
Output is correct |
| 31 |
Correct |
1157 ms |
52940 KB |
Output is correct |
| 32 |
Correct |
1158 ms |
52940 KB |
Output is correct |
| 33 |
Correct |
67 ms |
52940 KB |
Output is correct |
| 34 |
Correct |
171 ms |
52940 KB |
Output is correct |
| 35 |
Correct |
1041 ms |
52940 KB |
Output is correct |
| 36 |
Correct |
2313 ms |
52940 KB |
Output is correct |
| 37 |
Correct |
902 ms |
58588 KB |
Output is correct |
| 38 |
Correct |
2229 ms |
103740 KB |
Output is correct |
| 39 |
Correct |
987 ms |
103740 KB |
Output is correct |
| 40 |
Correct |
1223 ms |
103740 KB |
Output is correct |
| 41 |
Correct |
1207 ms |
103740 KB |
Output is correct |
| 42 |
Correct |
1126 ms |
103740 KB |
Output is correct |
| 43 |
Correct |
1064 ms |
103740 KB |
Output is correct |
| 44 |
Correct |
45 ms |
103740 KB |
Output is correct |
| 45 |
Correct |
104 ms |
103740 KB |
Output is correct |
| 46 |
Correct |
161 ms |
103740 KB |
Output is correct |
| 47 |
Correct |
219 ms |
103740 KB |
Output is correct |
| 48 |
Correct |
331 ms |
103740 KB |
Output is correct |
| 49 |
Correct |
1373 ms |
103740 KB |
Output is correct |
| 50 |
Correct |
1740 ms |
103740 KB |
Output is correct |
| 51 |
Correct |
1371 ms |
103740 KB |
Output is correct |
| 52 |
Correct |
2930 ms |
103740 KB |
Output is correct |
| 53 |
Correct |
1360 ms |
103740 KB |
Output is correct |
| 54 |
Correct |
1391 ms |
103740 KB |
Output is correct |
| 55 |
Correct |
1271 ms |
103740 KB |
Output is correct |
| 56 |
Correct |
147 ms |
103740 KB |
Output is correct |
| 57 |
Correct |
299 ms |
103740 KB |
Output is correct |
| 58 |
Correct |
522 ms |
103740 KB |
Output is correct |
| 59 |
Correct |
1998 ms |
103740 KB |
Output is correct |
| 60 |
Correct |
3748 ms |
103740 KB |
Output is correct |
| 61 |
Correct |
1866 ms |
103740 KB |
Output is correct |
| 62 |
Correct |
1460 ms |
103740 KB |
Output is correct |
| 63 |
Correct |
3442 ms |
103740 KB |
Output is correct |
| 64 |
Correct |
2109 ms |
103740 KB |
Output is correct |
| 65 |
Correct |
1973 ms |
103740 KB |
Output is correct |
| 66 |
Correct |
2092 ms |
103740 KB |
Output is correct |
| 67 |
Correct |
2100 ms |
103740 KB |
Output is correct |
| 68 |
Correct |
1665 ms |
103740 KB |
Output is correct |
| 69 |
Correct |
3211 ms |
103740 KB |
Output is correct |
