oj.uz

Submission #1083199

# Submission time Handle Problem Language Result Execution time Memory
1083199 2024-09-02T17:55:16 Z Malix Sorting (IOI15_sorting) C++14
20 / 100
 1 ms 348 KB 
#include "sorting.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> tii;
typedef vector<ll> li;
typedef vector<li> lii;
 
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define LSOne(s) ((s)&(-s))
 
ll INF=1000000000000000010;
int inf=1e9+10;
ll M=1e9+7;

int findSwapPairs(int n, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    vi a(n),b(n);
    int ans=0;
    REP(i,0,n)a[S[i]]=i;
    REP(i,0,n)b[i]=S[i];
    int pos=0;
    for(int i=n-1;i>=0;i--){
        if(a[i]==i)continue;
        ans++;
        P[pos]=i;
        Q[pos]=a[i];
        pos++;
        swap(b[i],b[a[i]]);
        int x=b[a[i]];
        int y=a[i];
        a[i]=i;
        a[x]=y;
    }
    return ans;
}

Compilation message

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:24:39: warning: declaration of 'M' shadows a global declaration [-Wshadow]
   24 | int findSwapPairs(int n, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                   ~~~~^
sorting.cpp:22:4: note: shadowed declaration is here
   22 | ll M=1e9+7;
      |    ^
sorting.cpp:24:39: warning: unused parameter 'M' [-Wunused-parameter]
   24 | int findSwapPairs(int n, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                   ~~~~^
sorting.cpp:24:46: warning: unused parameter 'X' [-Wunused-parameter]
   24 | int findSwapPairs(int n, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                          ~~~~^~~
sorting.cpp:24:55: warning: unused parameter 'Y' [-Wunused-parameter]
   24 | int findSwapPairs(int n, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                                   ~~~~^~~

Subtask #1
8.0 / 8.0

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

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct

Subtask #3
0 / 16.0

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

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Incorrect 1 ms 348 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

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

Subtask #6
0 / 26.0

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