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Submission #953577

# Submission time Handle Problem Language Result Execution time Memory
953577 2024-03-26T09:15:32 Z irmuun Gondola (IOI14_gondola) C++17
75 / 100
 32 ms 4804 KB 
#include<bits/stdc++.h>
#include "gondola.h"

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int valid(int n, int in[]){
    int mn=n+1,pos=-1;
    map<int,bool>used;
    for(int i=0;i<n;i++){
        if(used[in[i]]){
            return 0;
        }
        used[in[i]]=true;
        if(in[i]<=n){
            if(in[i]<mn){
                mn=in[i];
                pos=i;
            }
        }
    }
    if(pos==-1) return 0;
    for(int i=0;i<n;i++){
        int p=(pos+i)%n;
        if(in[p]<=n){
            if(in[p]!=mn+i) return 0;
        }
    }
    return 1;
}
int replacement(int n, int gon[], int rep[]){
    int mx=0;
    vector<pair<int,int>>v;
    int a[n];
    iota(a,a+n,1);
    int mn=n+1,pos=-1;
    for(int i=0;i<n;i++){
        if(gon[i]<=n){
            if(gon[i]<mn){
                mn=gon[i];
                pos=i;
            }
        }
    }
    if(pos>-1){
        for(int i=0;i<n;i++){
            a[(i+pos)%n]=mn;
            mn=mn+1;
            if(mn>n) mn=1;
        }
    }
    for(int i=0;i<n;i++){
        if(gon[i]>n){
            v.pb({gon[i],i});
        }
    }
    sort(all(v));
    for(int i=0;i<v.size();i++){
    }
    int l=n+1,cur=0;
    for(int i=0;i<v.size();i++){
        int bef=a[v[i].ss];
        for(;l<=v[i].ff;l++){
            rep[cur++]=bef;
            bef=l;
        }
    }
    return cur;
}
const int mod=1e9+9;
int binpow(int a,int b){
    int res=1;
    while(b){
        if(b&1){
            res=1ll*res*a%mod;
        }
        a=1ll*a*a%mod;
        b=b>>1;
    }
    return res;
}
int countReplacement(int n, int in[]){
    int ans=valid(n,in);
    if(ans==0) return 0;
    bool flag=false;
    for(int i=0;i<n;i++){
        if(in[i]<=n){
            flag=true;
        }
    }
    if(!flag){
        ans=n;
    }
    vector<int>v;
    for(int i=0;i<n;i++){
        if(in[i]>n){
            v.pb(in[i]);
        }
    }
    int left=v.size(),last=n;
    sort(all(v));
    for(int i=0;i<v.size();i++){
        ans=1ll*ans*binpow(left,v[i]-last-1)%mod;
        last=v[i];
        left--;
    }
    return ans;
}

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:64:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~
gondola.cpp:67:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~
gondola.cpp:38:9: warning: unused variable 'mx' [-Wunused-variable]
   38 |     int mx=0;
      |         ^~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:108:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  108 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 360 KB Output is correct
3 Correct 1 ms 356 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 10 ms 2196 KB Output is correct
7 Correct 6 ms 608 KB Output is correct
8 Correct 19 ms 4060 KB Output is correct
9 Correct 6 ms 1384 KB Output is correct
10 Correct 23 ms 4452 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 356 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 360 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 10 ms 2152 KB Output is correct
7 Correct 7 ms 612 KB Output is correct
8 Correct 19 ms 3912 KB Output is correct
9 Correct 6 ms 1384 KB Output is correct
10 Correct 27 ms 4440 KB Output is correct
11 Correct 0 ms 360 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 16 ms 2152 KB Output is correct
14 Correct 0 ms 356 KB Output is correct
15 Correct 32 ms 4804 KB Output is correct

Subtask #4
5.0 / 5.0

# 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

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 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 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 356 KB Output is correct
3 Correct 0 ms 356 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 6 ms 860 KB Output is correct
12 Correct 7 ms 1076 KB Output is correct
13 Correct 11 ms 1516 KB Output is correct
14 Correct 6 ms 860 KB Output is correct
15 Correct 19 ms 2384 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 356 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 356 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 352 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 352 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 32 ms 4456 KB Output is correct
10 Correct 25 ms 3928 KB Output is correct
11 Correct 9 ms 1888 KB Output is correct
12 Correct 12 ms 1880 KB Output is correct
13 Incorrect 3 ms 600 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 448 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 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 604 KB Output is correct
9 Correct 32 ms 4444 KB Output is correct
10 Correct 26 ms 3676 KB Output is correct
11 Correct 10 ms 1724 KB Output is correct
12 Correct 12 ms 1904 KB Output is correct
13 Incorrect 2 ms 604 KB Output isn't correct
14 Halted 0 ms 0 KB -