oj.uz

Submission #936858

# Submission time Handle Problem Language Result Execution time Memory
936858 2024-03-02T21:51:31 Z 4QT0R Arranging Shoes (IOI19_shoes) C++17
10 / 100
 71 ms 134996 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long

queue<pair<int,int>> pos[200004];

ll count_swaps(vector<int> S){
	ll n=S.size(),open=0,odp=0;
	for (int i = 0; i<n; i++){
		if (S[i]>0){
			if (pos[S[i]+100000].empty()){
				pos[S[i]].push({i,open});
				open++;
			}
			else{
				odp+=i-pos[S[i]+100000].front().first-1;
				open--;
				odp-=open-pos[S[i]+100000].front().second;
				pos[S[i]+100000].pop();
			}
		}
		else{
			if (pos[-S[i]].empty()){
				pos[100000-S[i]].push({i,open});
				open++;
			}
			else{
				odp+=i-pos[-S[i]].front().first;
				open--;
				odp-=open-pos[-S[i]].front().second;
				pos[-S[i]].pop();
			}
		}
	}
	return odp;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 134996 KB Output is correct
2 Correct 66 ms 134920 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 134996 KB Output is correct
2 Correct 66 ms 134920 KB Output is correct
3 Correct 67 ms 134996 KB Output is correct
4 Correct 65 ms 134932 KB Output is correct
5 Correct 68 ms 134992 KB Output is correct
6 Correct 68 ms 134924 KB Output is correct
7 Incorrect 71 ms 134944 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 134996 KB Output is correct
2 Correct 66 ms 134920 KB Output is correct
3 Incorrect 66 ms 134996 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 134996 KB Output is correct
2 Incorrect 66 ms 134992 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 134996 KB Output is correct
2 Correct 66 ms 134920 KB Output is correct
3 Correct 67 ms 134996 KB Output is correct
4 Correct 65 ms 134932 KB Output is correct
5 Correct 68 ms 134992 KB Output is correct
6 Correct 68 ms 134924 KB Output is correct
7 Incorrect 71 ms 134944 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 134996 KB Output is correct
2 Correct 66 ms 134920 KB Output is correct
3 Correct 67 ms 134996 KB Output is correct
4 Correct 65 ms 134932 KB Output is correct
5 Correct 68 ms 134992 KB Output is correct
6 Correct 68 ms 134924 KB Output is correct
7 Incorrect 71 ms 134944 KB Output isn't correct
8 Halted 0 ms 0 KB -