oj.uz

Submission #410950

# Submission time Handle Problem Language Result Execution time Memory
410950 2021-05-24T00:28:56 Z MDario Gondola (IOI14_gondola) C++11
100 / 100
 69 ms 6000 KB 
#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define F first
#define S second
const ll mod=1e9+9;
ll qpow(ll xf, ll yf){
    if(yf==0)return 1;
    if(yf&1)return (qpow(xf, yf-1)*xf)%mod;
    return qpow((xf*xf)%mod, yf/2);
}
int valid(int n, int a[]){
    map<int, int>m;
    int c=0;
    for(int i=0; i<n; i++){
        if(m[a[i]]){
            return 0;
        }
        m[a[i]]=1;
        if(a[i]<=n){
            if(c==0){
                c=(a[i]-i+n-1)%n+1;
            }
            else if((a[i]-i+n-1)%n+1!=c){
                return 0;
            }
        }
    }
    return 1;
}

//----------------------

int replacement(int n, int a[], int replacementSeq[]){
    vector<pair<int, int>> v;
    int c=0;
    for(int i=0; i<n; i++){
        if(a[i]<=n)c=(a[i]-i+n-1)%n+1;
    }
    if(c==0){
        for(int i=0; i<n; i++){
            v.push_back({a[i], i+1});
        }
    }
    else{
        for(int i=0; i<n; i++){
            v.push_back({a[i], (c+i-1)%n+1});
        }
    }
    sort(v.begin(), v.end());
    c=n+1;
    for(int i=0; i<n; i++){
        while(v[i].F>v[i].S){
            replacementSeq[c-n-1]=v[i].S;
            v[i].S=c;
            c++;
        }
    }
    return c-n-1;
}

//----------------------

int countReplacement(int n, int a[]){
    if(!valid(n, a))return 0;
    vector<ll> v;
    ll c=n+1, c1=0;
    for(int i=0; i<n; i++){
        if(a[i]>n)v.push_back(a[i]);
    }
    sort(v.begin(), v.end());
    c1=v.size();
    ll r=1;
  	if(c1==n)r=n;
    for(int i=0; i<c1; i++){
        r=(r*qpow(c1-i, v[i]-c))%mod;
        c=v[i]+1;
    }
    return r;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 14 ms 2124 KB Output is correct
7 Correct 10 ms 588 KB Output is correct
8 Correct 30 ms 3804 KB Output is correct
9 Correct 9 ms 1356 KB Output is correct
10 Correct 34 ms 4460 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 14 ms 2208 KB Output is correct
7 Correct 10 ms 560 KB Output is correct
8 Correct 29 ms 3864 KB Output is correct
9 Correct 11 ms 1440 KB Output is correct
10 Correct 34 ms 4392 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 12 ms 608 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 13 ms 1712 KB Output is correct
12 Correct 15 ms 1788 KB Output is correct
13 Correct 20 ms 1144 KB Output is correct
14 Correct 13 ms 1732 KB Output is correct
15 Correct 27 ms 2160 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 49 ms 3980 KB Output is correct
10 Correct 36 ms 3404 KB Output is correct
11 Correct 13 ms 1356 KB Output is correct
12 Correct 17 ms 1612 KB Output is correct
13 Correct 4 ms 588 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 46 ms 3984 KB Output is correct
10 Correct 36 ms 3412 KB Output is correct
11 Correct 13 ms 1412 KB Output is correct
12 Correct 17 ms 1576 KB Output is correct
13 Correct 4 ms 588 KB Output is correct
14 Correct 61 ms 5292 KB Output is correct
15 Correct 69 ms 6000 KB Output is correct
16 Correct 13 ms 1260 KB Output is correct
17 Correct 43 ms 4048 KB Output is correct
18 Correct 23 ms 2660 KB Output is correct