oj.uz

Submission #957732

# Submission time Handle Problem Language Result Execution time Memory
957732 2024-04-04T08:58:32 Z suren Arranging Shoes (IOI19_shoes) C++14
10 / 100
 1 ms 440 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define mk make_pair
#define S second
#define F first
using namespace std;

long long count_swaps(std::vector<int> a) {
	ll ans = 0, srch;
	for(int i = 0; i < a.size(); i ++ ){
		if( a[i] == 0 )
			continue;
		for(int j = i+1; j < a.size(); j ++ ){
			if( a[j] == -a[i] ){
					ans += j-i;
				if( a[i] < 0 )
					ans --;
				a[j] = 0;
			}
		}
	}
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:12:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  for(int i = 0; i < a.size(); i ++ ){
      |                 ~~^~~~~~~~~~
shoes.cpp:15:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |   for(int j = i+1; j < a.size(); j ++ ){
      |                    ~~^~~~~~~~~~
shoes.cpp:11:14: warning: unused variable 'srch' [-Wunused-variable]
   11 |  ll ans = 0, srch;
      |              ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 420 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 440 KB Output is correct
7 Incorrect 0 ms 348 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 1 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 420 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 440 KB Output is correct
7 Incorrect 0 ms 348 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 420 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 440 KB Output is correct
7 Incorrect 0 ms 348 KB Output isn't correct
8 Halted 0 ms 0 KB -