oj.uz

Submission #157518

# Submission time Handle Problem Language Result Execution time Memory
157518 2019-10-12T07:05:48 Z tevdore Arranging Shoes (IOI19_shoes) C++14
50 / 100
 656 ms 552624 KB 
#include<bits/stdc++.h>
#define mid (L+R)/2
using namespace std;
int i,ans,k;
int f[200001],sg[200001];
queue<int>q1[200001];
queue<int>q2[200001];
vector<int>s;
void upd(int u,int L,int R,int pos,int y){
	if(R < pos || L > pos)return;
	if(R == L){sg[u]=y;return;}
	else{
		upd(u*2,L,mid,pos,y);
		upd(u*2+1,mid+1,R,pos,y);
		sg[u]=sg[u*2]+sg[u*2+1];
	}
}
int get(int u,int L,int R,int a,int b){
	if(b < L || a > R)return 0;
	if(a <= L && b >= R)return sg[u];
	return(get(u*2,L,mid,a,b)+get(u*2+1,mid+1,R,a,b));
}
int count_swaps(std:: vector<int>s){
    int n=s.size();
    for(i=0;i<s.size();i++){
        f[i+1]=s[i];
    }
    for(i=1;i<=n;i++){
        upd(1,1,n,i,1);
    }
    for(i=1;i<=n;i++){
		if(f[i] < 0){
		    k=-(f[i]);
			if(q2[k].size() == 0){
				q1[k].push(i);
				continue;
			}
			ans+=get(1,1,n,q2[k].front(),i)-1;
			upd(1,1,n,q2[k].front(),2);
			upd(1,1,n,i,0);
			q2[k].pop();
		}
		if(f[i] > 0){
		    k=f[i];
			if(q1[k].size() == 0){
				q2[k].push(i);
				continue;
			}
			ans+=get(1,1,n,q1[k].front(),i)-2;
			upd(1,1,n,q1[k].front(),2);
			upd(1,1,n,i,0);
			q1[k].pop();
		}
	}
	return ans;
}

Compilation message

shoes.cpp: In function 'int count_swaps(std::vector<int>)':
shoes.cpp:25:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=0;i<s.size();i++){
             ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269716 KB Output is correct
2 Correct 301 ms 269668 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269716 KB Output is correct
2 Correct 301 ms 269668 KB Output is correct
3 Correct 280 ms 269588 KB Output is correct
4 Correct 286 ms 269688 KB Output is correct
5 Correct 278 ms 269624 KB Output is correct
6 Correct 278 ms 269536 KB Output is correct
7 Correct 281 ms 269560 KB Output is correct
8 Correct 282 ms 269600 KB Output is correct
9 Correct 282 ms 269688 KB Output is correct
10 Correct 280 ms 269680 KB Output is correct
11 Correct 280 ms 269564 KB Output is correct
12 Correct 276 ms 269620 KB Output is correct
13 Correct 274 ms 269772 KB Output is correct
14 Correct 280 ms 269664 KB Output is correct
15 Correct 279 ms 269560 KB Output is correct
16 Correct 294 ms 269644 KB Output is correct
17 Correct 318 ms 269680 KB Output is correct
18 Correct 275 ms 269548 KB Output is correct
19 Correct 283 ms 269604 KB Output is correct
20 Correct 277 ms 269688 KB Output is correct
21 Correct 277 ms 269560 KB Output is correct
22 Correct 300 ms 269668 KB Output is correct
23 Correct 279 ms 269600 KB Output is correct
24 Correct 277 ms 269688 KB Output is correct
25 Correct 279 ms 269668 KB Output is correct
26 Correct 412 ms 269612 KB Output is correct
27 Correct 285 ms 269888 KB Output is correct
28 Correct 293 ms 269560 KB Output is correct
29 Correct 282 ms 269560 KB Output is correct
30 Correct 302 ms 269692 KB Output is correct
31 Correct 332 ms 269672 KB Output is correct
32 Correct 324 ms 269640 KB Output is correct
33 Correct 278 ms 269560 KB Output is correct
34 Correct 278 ms 269560 KB Output is correct
35 Correct 280 ms 269576 KB Output is correct
36 Correct 277 ms 269560 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269716 KB Output is correct
2 Correct 301 ms 269668 KB Output is correct
3 Correct 313 ms 269616 KB Output is correct
4 Correct 305 ms 269548 KB Output is correct
5 Correct 280 ms 269560 KB Output is correct
6 Correct 330 ms 269560 KB Output is correct
7 Correct 279 ms 269548 KB Output is correct
8 Correct 280 ms 269628 KB Output is correct
9 Correct 293 ms 269576 KB Output is correct
10 Correct 277 ms 269532 KB Output is correct
11 Correct 280 ms 269520 KB Output is correct
12 Correct 277 ms 269560 KB Output is correct
13 Correct 278 ms 269616 KB Output is correct
14 Correct 277 ms 269688 KB Output is correct
15 Correct 276 ms 269680 KB Output is correct
16 Correct 273 ms 269560 KB Output is correct
17 Correct 276 ms 269688 KB Output is correct
18 Correct 277 ms 269688 KB Output is correct
19 Correct 275 ms 269688 KB Output is correct
20 Correct 313 ms 270072 KB Output is correct
21 Correct 304 ms 270072 KB Output is correct
22 Runtime error 640 ms 549852 KB Execution killed with signal 11 (could be triggered by violating memory limits)
23 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 280 ms 269564 KB Output is correct
2 Correct 281 ms 269628 KB Output is correct
3 Correct 280 ms 269628 KB Output is correct
4 Correct 279 ms 269688 KB Output is correct
5 Runtime error 656 ms 552624 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Halted 0 ms 0 KB -

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269716 KB Output is correct
2 Correct 301 ms 269668 KB Output is correct
3 Correct 280 ms 269588 KB Output is correct
4 Correct 286 ms 269688 KB Output is correct
5 Correct 278 ms 269624 KB Output is correct
6 Correct 278 ms 269536 KB Output is correct
7 Correct 281 ms 269560 KB Output is correct
8 Correct 282 ms 269600 KB Output is correct
9 Correct 282 ms 269688 KB Output is correct
10 Correct 280 ms 269680 KB Output is correct
11 Correct 280 ms 269564 KB Output is correct
12 Correct 276 ms 269620 KB Output is correct
13 Correct 274 ms 269772 KB Output is correct
14 Correct 280 ms 269664 KB Output is correct
15 Correct 279 ms 269560 KB Output is correct
16 Correct 294 ms 269644 KB Output is correct
17 Correct 318 ms 269680 KB Output is correct
18 Correct 275 ms 269548 KB Output is correct
19 Correct 283 ms 269604 KB Output is correct
20 Correct 277 ms 269688 KB Output is correct
21 Correct 277 ms 269560 KB Output is correct
22 Correct 300 ms 269668 KB Output is correct
23 Correct 279 ms 269600 KB Output is correct
24 Correct 277 ms 269688 KB Output is correct
25 Correct 279 ms 269668 KB Output is correct
26 Correct 412 ms 269612 KB Output is correct
27 Correct 285 ms 269888 KB Output is correct
28 Correct 293 ms 269560 KB Output is correct
29 Correct 282 ms 269560 KB Output is correct
30 Correct 302 ms 269692 KB Output is correct
31 Correct 332 ms 269672 KB Output is correct
32 Correct 324 ms 269640 KB Output is correct
33 Correct 278 ms 269560 KB Output is correct
34 Correct 278 ms 269560 KB Output is correct
35 Correct 280 ms 269576 KB Output is correct
36 Correct 277 ms 269560 KB Output is correct
37 Correct 280 ms 269656 KB Output is correct
38 Correct 278 ms 269532 KB Output is correct
39 Correct 279 ms 269560 KB Output is correct
40 Correct 284 ms 269788 KB Output is correct
41 Correct 282 ms 269688 KB Output is correct
42 Correct 281 ms 269816 KB Output is correct
43 Correct 280 ms 269688 KB Output is correct
44 Correct 279 ms 269692 KB Output is correct
45 Correct 278 ms 269688 KB Output is correct
46 Correct 282 ms 269764 KB Output is correct
47 Correct 280 ms 269716 KB Output is correct
48 Correct 281 ms 269652 KB Output is correct
49 Correct 282 ms 269776 KB Output is correct
50 Correct 277 ms 269688 KB Output is correct
51 Correct 281 ms 269944 KB Output is correct
52 Correct 278 ms 269708 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269716 KB Output is correct
2 Correct 301 ms 269668 KB Output is correct
3 Correct 280 ms 269588 KB Output is correct
4 Correct 286 ms 269688 KB Output is correct
5 Correct 278 ms 269624 KB Output is correct
6 Correct 278 ms 269536 KB Output is correct
7 Correct 281 ms 269560 KB Output is correct
8 Correct 282 ms 269600 KB Output is correct
9 Correct 282 ms 269688 KB Output is correct
10 Correct 280 ms 269680 KB Output is correct
11 Correct 280 ms 269564 KB Output is correct
12 Correct 276 ms 269620 KB Output is correct
13 Correct 274 ms 269772 KB Output is correct
14 Correct 280 ms 269664 KB Output is correct
15 Correct 279 ms 269560 KB Output is correct
16 Correct 294 ms 269644 KB Output is correct
17 Correct 318 ms 269680 KB Output is correct
18 Correct 275 ms 269548 KB Output is correct
19 Correct 283 ms 269604 KB Output is correct
20 Correct 277 ms 269688 KB Output is correct
21 Correct 277 ms 269560 KB Output is correct
22 Correct 300 ms 269668 KB Output is correct
23 Correct 279 ms 269600 KB Output is correct
24 Correct 277 ms 269688 KB Output is correct
25 Correct 279 ms 269668 KB Output is correct
26 Correct 412 ms 269612 KB Output is correct
27 Correct 285 ms 269888 KB Output is correct
28 Correct 293 ms 269560 KB Output is correct
29 Correct 282 ms 269560 KB Output is correct
30 Correct 302 ms 269692 KB Output is correct
31 Correct 332 ms 269672 KB Output is correct
32 Correct 324 ms 269640 KB Output is correct
33 Correct 278 ms 269560 KB Output is correct
34 Correct 278 ms 269560 KB Output is correct
35 Correct 280 ms 269576 KB Output is correct
36 Correct 277 ms 269560 KB Output is correct
37 Correct 313 ms 269616 KB Output is correct
38 Correct 305 ms 269548 KB Output is correct
39 Correct 280 ms 269560 KB Output is correct
40 Correct 330 ms 269560 KB Output is correct
41 Correct 279 ms 269548 KB Output is correct
42 Correct 280 ms 269628 KB Output is correct
43 Correct 293 ms 269576 KB Output is correct
44 Correct 277 ms 269532 KB Output is correct
45 Correct 280 ms 269520 KB Output is correct
46 Correct 277 ms 269560 KB Output is correct
47 Correct 278 ms 269616 KB Output is correct
48 Correct 277 ms 269688 KB Output is correct
49 Correct 276 ms 269680 KB Output is correct
50 Correct 273 ms 269560 KB Output is correct
51 Correct 276 ms 269688 KB Output is correct
52 Correct 277 ms 269688 KB Output is correct
53 Correct 275 ms 269688 KB Output is correct
54 Correct 313 ms 270072 KB Output is correct
55 Correct 304 ms 270072 KB Output is correct
56 Runtime error 640 ms 549852 KB Execution killed with signal 11 (could be triggered by violating memory limits)
57 Halted 0 ms 0 KB -