| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 75255 |
2018-09-09T03:04:18 Z |
jangwonyoung |
Seats (IOI18_seats) |
C++14 |
|
3607 ms |
103640 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);
if(minv[id*2]<minv[id*2+1]) minv[id]=minv[id*2],minc[id]=minc[id*2];
else if(minv[id*2]>minv[id*2+1]) minv[id]=minv[id*2+1],minc[id]=minc[id*2+1];
else minv[id]=minv[id*2],minc[id]=minc[id*2]+minc[id*2+1];
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 |
15 ms |
508 KB |
Output is correct |
| 2 |
Correct |
20 ms |
612 KB |
Output is correct |
| 3 |
Correct |
34 ms |
700 KB |
Output is correct |
| 4 |
Correct |
20 ms |
700 KB |
Output is correct |
| 5 |
Correct |
17 ms |
732 KB |
Output is correct |
| 6 |
Correct |
27 ms |
756 KB |
Output is correct |
| 7 |
Correct |
29 ms |
852 KB |
Output is correct |
| 8 |
Correct |
28 ms |
852 KB |
Output is correct |
| 9 |
Correct |
29 ms |
852 KB |
Output is correct |
| 10 |
Correct |
29 ms |
888 KB |
Output is correct |
| 11 |
Correct |
27 ms |
888 KB |
Output is correct |
| 12 |
Correct |
18 ms |
888 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
508 KB |
Output is correct |
| 2 |
Correct |
20 ms |
612 KB |
Output is correct |
| 3 |
Correct |
34 ms |
700 KB |
Output is correct |
| 4 |
Correct |
20 ms |
700 KB |
Output is correct |
| 5 |
Correct |
17 ms |
732 KB |
Output is correct |
| 6 |
Correct |
27 ms |
756 KB |
Output is correct |
| 7 |
Correct |
29 ms |
852 KB |
Output is correct |
| 8 |
Correct |
28 ms |
852 KB |
Output is correct |
| 9 |
Correct |
29 ms |
852 KB |
Output is correct |
| 10 |
Correct |
29 ms |
888 KB |
Output is correct |
| 11 |
Correct |
27 ms |
888 KB |
Output is correct |
| 12 |
Correct |
18 ms |
888 KB |
Output is correct |
| 13 |
Correct |
68 ms |
1340 KB |
Output is correct |
| 14 |
Correct |
85 ms |
1432 KB |
Output is correct |
| 15 |
Correct |
48 ms |
1468 KB |
Output is correct |
| 16 |
Correct |
37 ms |
1940 KB |
Output is correct |
| 17 |
Correct |
60 ms |
1940 KB |
Output is correct |
| 18 |
Correct |
74 ms |
1940 KB |
Output is correct |
| 19 |
Correct |
54 ms |
1940 KB |
Output is correct |
| 20 |
Correct |
49 ms |
1940 KB |
Output is correct |
| 21 |
Correct |
37 ms |
1940 KB |
Output is correct |
| 22 |
Correct |
38 ms |
1980 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2396 ms |
52924 KB |
Output is correct |
| 2 |
Correct |
1262 ms |
53052 KB |
Output is correct |
| 3 |
Correct |
1216 ms |
53052 KB |
Output is correct |
| 4 |
Correct |
989 ms |
53052 KB |
Output is correct |
| 5 |
Correct |
1055 ms |
53052 KB |
Output is correct |
| 6 |
Correct |
961 ms |
53052 KB |
Output is correct |
| 7 |
Correct |
1110 ms |
53052 KB |
Output is correct |
| 8 |
Correct |
1209 ms |
53052 KB |
Output is correct |
| 9 |
Correct |
1182 ms |
53052 KB |
Output is correct |
| 10 |
Correct |
1166 ms |
53052 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
71 ms |
53052 KB |
Output is correct |
| 2 |
Correct |
178 ms |
53052 KB |
Output is correct |
| 3 |
Correct |
1071 ms |
53052 KB |
Output is correct |
| 4 |
Correct |
2422 ms |
53052 KB |
Output is correct |
| 5 |
Correct |
929 ms |
58720 KB |
Output is correct |
| 6 |
Correct |
2300 ms |
103640 KB |
Output is correct |
| 7 |
Correct |
1016 ms |
103640 KB |
Output is correct |
| 8 |
Correct |
1226 ms |
103640 KB |
Output is correct |
| 9 |
Correct |
1186 ms |
103640 KB |
Output is correct |
| 10 |
Correct |
1164 ms |
103640 KB |
Output is correct |
| 11 |
Correct |
999 ms |
103640 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
45 ms |
103640 KB |
Output is correct |
| 2 |
Correct |
94 ms |
103640 KB |
Output is correct |
| 3 |
Correct |
162 ms |
103640 KB |
Output is correct |
| 4 |
Correct |
223 ms |
103640 KB |
Output is correct |
| 5 |
Correct |
364 ms |
103640 KB |
Output is correct |
| 6 |
Correct |
1402 ms |
103640 KB |
Output is correct |
| 7 |
Correct |
1747 ms |
103640 KB |
Output is correct |
| 8 |
Correct |
1439 ms |
103640 KB |
Output is correct |
| 9 |
Correct |
2927 ms |
103640 KB |
Output is correct |
| 10 |
Correct |
1346 ms |
103640 KB |
Output is correct |
| 11 |
Correct |
1333 ms |
103640 KB |
Output is correct |
| 12 |
Correct |
1303 ms |
103640 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
508 KB |
Output is correct |
| 2 |
Correct |
20 ms |
612 KB |
Output is correct |
| 3 |
Correct |
34 ms |
700 KB |
Output is correct |
| 4 |
Correct |
20 ms |
700 KB |
Output is correct |
| 5 |
Correct |
17 ms |
732 KB |
Output is correct |
| 6 |
Correct |
27 ms |
756 KB |
Output is correct |
| 7 |
Correct |
29 ms |
852 KB |
Output is correct |
| 8 |
Correct |
28 ms |
852 KB |
Output is correct |
| 9 |
Correct |
29 ms |
852 KB |
Output is correct |
| 10 |
Correct |
29 ms |
888 KB |
Output is correct |
| 11 |
Correct |
27 ms |
888 KB |
Output is correct |
| 12 |
Correct |
18 ms |
888 KB |
Output is correct |
| 13 |
Correct |
68 ms |
1340 KB |
Output is correct |
| 14 |
Correct |
85 ms |
1432 KB |
Output is correct |
| 15 |
Correct |
48 ms |
1468 KB |
Output is correct |
| 16 |
Correct |
37 ms |
1940 KB |
Output is correct |
| 17 |
Correct |
60 ms |
1940 KB |
Output is correct |
| 18 |
Correct |
74 ms |
1940 KB |
Output is correct |
| 19 |
Correct |
54 ms |
1940 KB |
Output is correct |
| 20 |
Correct |
49 ms |
1940 KB |
Output is correct |
| 21 |
Correct |
37 ms |
1940 KB |
Output is correct |
| 22 |
Correct |
38 ms |
1980 KB |
Output is correct |
| 23 |
Correct |
2396 ms |
52924 KB |
Output is correct |
| 24 |
Correct |
1262 ms |
53052 KB |
Output is correct |
| 25 |
Correct |
1216 ms |
53052 KB |
Output is correct |
| 26 |
Correct |
989 ms |
53052 KB |
Output is correct |
| 27 |
Correct |
1055 ms |
53052 KB |
Output is correct |
| 28 |
Correct |
961 ms |
53052 KB |
Output is correct |
| 29 |
Correct |
1110 ms |
53052 KB |
Output is correct |
| 30 |
Correct |
1209 ms |
53052 KB |
Output is correct |
| 31 |
Correct |
1182 ms |
53052 KB |
Output is correct |
| 32 |
Correct |
1166 ms |
53052 KB |
Output is correct |
| 33 |
Correct |
71 ms |
53052 KB |
Output is correct |
| 34 |
Correct |
178 ms |
53052 KB |
Output is correct |
| 35 |
Correct |
1071 ms |
53052 KB |
Output is correct |
| 36 |
Correct |
2422 ms |
53052 KB |
Output is correct |
| 37 |
Correct |
929 ms |
58720 KB |
Output is correct |
| 38 |
Correct |
2300 ms |
103640 KB |
Output is correct |
| 39 |
Correct |
1016 ms |
103640 KB |
Output is correct |
| 40 |
Correct |
1226 ms |
103640 KB |
Output is correct |
| 41 |
Correct |
1186 ms |
103640 KB |
Output is correct |
| 42 |
Correct |
1164 ms |
103640 KB |
Output is correct |
| 43 |
Correct |
999 ms |
103640 KB |
Output is correct |
| 44 |
Correct |
45 ms |
103640 KB |
Output is correct |
| 45 |
Correct |
94 ms |
103640 KB |
Output is correct |
| 46 |
Correct |
162 ms |
103640 KB |
Output is correct |
| 47 |
Correct |
223 ms |
103640 KB |
Output is correct |
| 48 |
Correct |
364 ms |
103640 KB |
Output is correct |
| 49 |
Correct |
1402 ms |
103640 KB |
Output is correct |
| 50 |
Correct |
1747 ms |
103640 KB |
Output is correct |
| 51 |
Correct |
1439 ms |
103640 KB |
Output is correct |
| 52 |
Correct |
2927 ms |
103640 KB |
Output is correct |
| 53 |
Correct |
1346 ms |
103640 KB |
Output is correct |
| 54 |
Correct |
1333 ms |
103640 KB |
Output is correct |
| 55 |
Correct |
1303 ms |
103640 KB |
Output is correct |
| 56 |
Correct |
125 ms |
103640 KB |
Output is correct |
| 57 |
Correct |
297 ms |
103640 KB |
Output is correct |
| 58 |
Correct |
523 ms |
103640 KB |
Output is correct |
| 59 |
Correct |
1888 ms |
103640 KB |
Output is correct |
| 60 |
Correct |
3607 ms |
103640 KB |
Output is correct |
| 61 |
Correct |
1907 ms |
103640 KB |
Output is correct |
| 62 |
Correct |
1558 ms |
103640 KB |
Output is correct |
| 63 |
Correct |
3426 ms |
103640 KB |
Output is correct |
| 64 |
Correct |
2145 ms |
103640 KB |
Output is correct |
| 65 |
Correct |
1849 ms |
103640 KB |
Output is correct |
| 66 |
Correct |
2121 ms |
103640 KB |
Output is correct |
| 67 |
Correct |
2070 ms |
103640 KB |
Output is correct |
| 68 |
Correct |
1594 ms |
103640 KB |
Output is correct |
| 69 |
Correct |
3158 ms |
103640 KB |
Output is correct |
