oj.uz

Submission #203633

# Submission time Handle Problem Language Result Execution time Memory
203633 2020-02-21T17:30:12 Z thebes Gondola (IOI14_gondola) C++14
100 / 100
 94 ms 5112 KB 
#include "gondola.h"
#include <bits/stdc++.h>
#define DEBUG 1
using namespace std;

namespace output{
    void __(short x){cout<<x;}
    void __(unsigned x){cout<<x;}
    void __(int x){cout<<x;}
    void __(long long x){cout<<x;}
    void __(unsigned long long x){cout<<x;}
    void __(double x){cout<<x;}
    void __(long double x){cout<<x;}
    void __(char x){cout<<x;}
    void __(const char*x){cout<<x;}
    void __(const string&x){cout<<x;}
    void __(bool x){cout<<(x?"true":"false");}
    template<class S,class T>
    void __(const pair<S,T>&x){__(DEBUG?"(":""),__(x.first),__(DEBUG?", ":" "),__(x.second),__(DEBUG?")":"");}
    template<class T>
    void __(const vector<T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");}
    template<class T>
    void __(const set<T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");}
    template<class T>
    void __(const multiset<T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");}
    template<class S,class T>
    void __(const map<S,T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");}
    void pr(){cout<<"\n";}
    template<class S,class... T>
    void pr(const S&a,const T&...b){__(a);if(sizeof...(b))__(' ');pr(b...);}
}

using namespace output;

typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<double,double> pdd;
typedef pair<ld,ld> pld;
typedef vector<int> vi;
typedef vector<ll> vl;

#define pb push_back
#define fox(i,x,y) for(int i=(x);i<=(y);i++)
#define foxr(i,x,y) for(int i=(y);i>=(x);i--)

int valid(int n,int *arr){
    set<int> S;
    for(int i=0;i<n;i++) S.insert(arr[i]);
    if(S.size()!=n) return 0;
    int mn=1<<30, st=-1;
    for(int i=0;i<n;i++){
        if(arr[i]>n) continue;
        if(arr[i]<mn){
            mn = arr[i];
            st = (i-arr[i]+1+n)%n;
        }
    }
    if(st==-1) return 1;
    int f = 1;
    for(int i=0;i<n;i++){
        if(arr[(i+st)%n]>n) continue;
        if(arr[(i+st)%n]!=i+1) f=0;
    }
    return f;
}

int replacement(int n,int *arr,int *rep){
    vi seq; seq.resize(n);
    int mn=1<<30, st=0;
    for(int i=0;i<n;i++){
        if(arr[i]>n) continue;
        if(arr[i]<mn){
            mn = arr[i];
            st = (i-arr[i]+1+n)%n;
        }
    }
    map<int,int> op;
    int lst=n+1, sz=0;
    for(int i=0;i<n;i++){
        seq[i]=i+1;
        if(arr[(st+i)%n]>n) op[arr[(st+i)%n]]=i;
    }
    for(auto v : op){
        while(lst<v.first) rep[sz++]=seq[v.second],seq[v.second]=lst,lst++;
        lst = v.first+1;
        rep[sz++]=seq[v.second], seq[v.second]=v.first;
    }
    return sz;
}

int mod = 1e9+9;
int qpow(int b,int exp){
    if(exp<=0) return 1;
    else if(exp&1) return 1LL*b*qpow(b,exp-1)%mod;
    else{int r=qpow(b,exp>>1); return 1LL*r*r%mod;}
}

int countReplacement(int n,int *arr){
    if(!valid(n,arr)) return 0;
    map<int,int> op;
    int rem = 0, ans = 1;
    for(int i=0;i<n;i++){
        if(arr[i]>n){
            rem++;
            op[arr[i]]=i;
        }
    }
    if(rem==n) ans *= n;
    int lst = n+1;
    for(auto v : op){
        ans = 1LL*ans*qpow(rem,v.first-lst)%mod;
        rem--; lst = v.first+1;
    }
    return ans;
}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:51:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(S.size()!=n) return 0;
        ~~~~~~~~^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 5 ms 380 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 17 ms 2296 KB Output is correct
7 Correct 37 ms 3704 KB Output is correct
8 Correct 29 ms 3960 KB Output is correct
9 Correct 12 ms 1528 KB Output is correct
10 Correct 33 ms 4600 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 17 ms 2296 KB Output is correct
7 Correct 37 ms 3704 KB Output is correct
8 Correct 27 ms 3960 KB Output is correct
9 Correct 13 ms 1528 KB Output is correct
10 Correct 33 ms 4600 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 21 ms 2040 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 47 ms 4728 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 368 KB Output is correct
5 Correct 5 ms 376 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 6 ms 376 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 6 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 16 ms 888 KB Output is correct
12 Correct 19 ms 1016 KB Output is correct
13 Correct 27 ms 2660 KB Output is correct
14 Correct 16 ms 1016 KB Output is correct
15 Correct 29 ms 2204 KB Output is correct

Subtask #7
5.0 / 5.0

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

Subtask #8
15.0 / 15.0

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

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 63 ms 4088 KB Output is correct
10 Correct 47 ms 3452 KB Output is correct
11 Correct 21 ms 1400 KB Output is correct
12 Correct 25 ms 1656 KB Output is correct
13 Correct 9 ms 632 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 6 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 61 ms 4088 KB Output is correct
10 Correct 49 ms 3448 KB Output is correct
11 Correct 21 ms 1400 KB Output is correct
12 Correct 26 ms 1656 KB Output is correct
13 Correct 9 ms 636 KB Output is correct
14 Correct 81 ms 4600 KB Output is correct
15 Correct 94 ms 5112 KB Output is correct
16 Correct 18 ms 1144 KB Output is correct
17 Correct 60 ms 3576 KB Output is correct
18 Correct 35 ms 2172 KB Output is correct