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Submission #958369

# Submission time Handle Problem Language Result Execution time Memory
958369 2024-04-05T14:44:03 Z 12345678 Sorting (IOI15_sorting) C++17
0 / 100
 5 ms 604 KB 
#include "sorting.h"
#include <bits/stdc++.h>
 
using namespace std;
 
const int nx=505;

int idx[nx], s[nx];

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    for (int i=0; i<N; i++) idx[i]=i, s[i]=S[i];
    for (int i=N-1; i>=0; i--) swap(idx[X[i]], idx[Y[i]]);
    for (int i=0; i<N; i++)
    {
        swap(idx[X[i]], idx[Y[i]]);
        swap(s[X[i]], s[Y[i]]);
        for (int j=0; j<N; j++) if (idx[j]==i) P[i]=j;
        for (int j=0; j<N; j++) 
        {
            if (s[j]==i) 
            {
                Q[i]=j;
                swap(s[P[i]], s[Q[i]]);
                break;
            }
        }
    }
    for (int i=N-1; i>=0; i--) if (P[i]!=Q[i]) return i+1;
}

Compilation message

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:10:39: warning: unused parameter 'M' [-Wunused-parameter]
   10 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                   ~~~~^
sorting.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type]
   29 | }
      | ^

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Integer parameter [name=R] equals to -33, violates the range [0, 1]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Integer parameter [name=R] equals to -33, violates the range [0, 1]
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Integer parameter [name=R] equals to -4, violates the range [0, 60]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Integer parameter [name=R] equals to -33, violates the range [0, 1]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 604 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 26.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 604 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -