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Submission #308212

# Submission time Handle Problem Language Result Execution time Memory
308212 2020-09-30T10:34:20 Z juggernaut Gondola (IOI14_gondola) C++14
100 / 100
 28 ms 2272 KB 
#include"gondola.h"
#include<bits/stdc++.h>
//#include"grader.cpp"
#define mod 1000000009
using namespace std;
typedef long long int ll;
int valid(int n,int a[]){
    int i=0,need;
    while(i<n&&a[i]>n)i++;
    need=a[i];
    while(i<n){
        if(a[i]<=n&&a[i]!=need)return 0;
        if(need==n)need=1;
        else need++;
        i++;
    }
    sort(a,a+n);
    for(i=1;i<n;i++)if(a[i]==a[i-1])return 0;
    return 1;
}
int replacement(int n,int a[],int res[]){
    vector<pair<int,int>>b;
    int i=0,ind=n,need=1,len=0,x;
    while(i<n&&a[i]>n)i++;
    if(i!=n)need=a[i]-i;
    if(need<1)need+=n;
    for(i=0;i<n;i++,need=need%n+1)b.push_back({a[i],need});
    sort(b.begin(),b.end());
    i=0;
    while(i<n){
        if(b[i].first<=n){
            i++;
            continue;
        }
        res[len++]=b[i].second;
        x=++ind;
        while(x!=b[i].first){
            res[len++]=x;
            x=++ind;
        }
        i++;
    }
    return len;
}
ll pw(ll a,ll b){
    if(!b)return 1;
    if(b&1)return (1ll*a*pw(a,b-1))%mod;
    ll x=pw(a,b>>1ll);
    return (1ll*x*x)%mod;
}
int countReplacement(int n,int a[]){
    if(!valid(n,a))return 0ll;
    sort(a,a+n);
    ll i,res=1ll,x=n;
    for(i=0;i<n;i++){
        if(a[i]<=n)continue;
        res=(res*pw(n-i,1ll*(a[i]-x-1)))%mod;
        x=a[i];
    }
    if(a[0]>n)res=(1ll*n*res)%mod;
    return res%mod;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 9 ms 512 KB Output is correct
7 Correct 13 ms 640 KB Output is correct
8 Correct 13 ms 640 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 19 ms 640 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 9 ms 512 KB Output is correct
7 Correct 13 ms 640 KB Output is correct
8 Correct 14 ms 768 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 19 ms 696 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 15 ms 640 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 360 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 15 ms 1784 KB Output is correct
12 Correct 17 ms 1784 KB Output is correct
13 Correct 18 ms 1256 KB Output is correct
14 Correct 15 ms 1784 KB Output is correct
15 Correct 28 ms 2272 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 416 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 20 ms 640 KB Output is correct
10 Correct 16 ms 512 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 8 ms 484 KB Output is correct
13 Correct 2 ms 384 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 22 ms 640 KB Output is correct
10 Correct 16 ms 512 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 8 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 26 ms 640 KB Output is correct
15 Correct 28 ms 640 KB Output is correct
16 Correct 5 ms 416 KB Output is correct
17 Correct 19 ms 512 KB Output is correct
18 Correct 11 ms 512 KB Output is correct