oj.uz

Submission #153272

# Submission time Handle Problem Language Result Execution time Memory
153272 2019-09-13T07:04:27 Z arnold518 Gondola (IOI14_gondola) C++14
55 / 100
 24 ms 2404 KB 
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5;

int valid(int N, int *A)
{
    int i, j;

    for(i=0; i<N; i++) A[i]--;
    vector<int> S(A, A+N);
    sort(S.begin(), S.end());
    S.erase(unique(S.begin(), S.end()), S.end());
    if(S.size()!=N) return 0;

    int flag=-1;
    for(i=0; i<N; i++)
    {
        if(A[i]>=N) continue;
        int t=(A[i]-i+N)%N;
        if(flag==-1) flag=t;
        else if(flag!=t) return 0;
    }
    return 1;
}

int replacement(int N, int *A, int *B)
{
    int i, j, ret=0;

    int flag=0;
    vector<pii> V;
    for(i=0; i<N; i++)
    {
        if(A[i]<=N)
        {
            flag=(A[i]-1-i+N)%N;
            continue;
        }
        V.push_back({A[i], i});
    }
    for(i=0; i<N; i++) A[i]=(i+flag)%N+1;
    sort(V.begin(), V.end());

    int now=N+1;
    for(i=0; i<V.size(); i++)
    {
        int p=V[i].first, q=V[i].second;
        while(A[q]!=p)
        {
            B[ret++]=A[q];
            A[q]=now++;
        }
    }
    return ret;
}

int countReplacement(int N, int *A)
{

}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:19:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(S.size()!=N) return 0;
        ~~~~~~~~^~~
gondola.cpp:13:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:51:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=0; i<V.size(); i++)
              ~^~~~~~~~~
gondola.cpp:34:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j, ret=0;
            ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:66:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 252 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 252 KB Output is correct
6 Correct 10 ms 632 KB Output is correct
7 Correct 20 ms 1016 KB Output is correct
8 Correct 14 ms 888 KB Output is correct
9 Correct 7 ms 504 KB Output is correct
10 Correct 20 ms 1016 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 10 ms 632 KB Output is correct
7 Correct 20 ms 1016 KB Output is correct
8 Correct 14 ms 888 KB Output is correct
9 Correct 7 ms 504 KB Output is correct
10 Correct 20 ms 1016 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 11 ms 656 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 23 ms 1016 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 256 KB Output is correct
2 Correct 3 ms 252 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 256 KB Output is correct
5 Correct 3 ms 256 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 252 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 400 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 248 KB Output is correct
11 Correct 12 ms 1016 KB Output is correct
12 Correct 14 ms 1148 KB Output is correct
13 Correct 18 ms 1568 KB Output is correct
14 Correct 12 ms 1144 KB Output is correct
15 Correct 24 ms 2404 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -