답안 #286491

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
286491 2020-08-30T13:38:52 Z Dremix10 곤돌라 (IOI14_gondola) C++17
90 / 100
1000 ms 5424 KB
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
#define F first
#define S second
#define endl '\n'
#define all(x) (x).begin(),(x).end()
#ifdef dremix
    #define p(x) cerr<<#x<<" = "<<x<<endl;
    #define p2(x,y) cerr<<#x<<" , "<<#y<<" = "<<x<<" , "<<y<<endl;
    #define pp(x) cerr<<#x<<" = ("<<x.F<<" , "<<x.S<<")"<<endl;
    #define pv(x) cerr<<#x<<" = {";for(auto u : x)cerr<<u<<", ";cerr<<"}"<<endl;
    #define ppv(x) cerr<<#x<<" = {";for(auto u : x)cerr<<u.F<<"-"<<u.S<<", ";cerr<<"}"<<endl;
#else
    #define p(x)
    #define p2(x,y)
    #define pp(x)
    #define pv(x)
    #define ppv(x)
#endif
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
const int maxp = 22;
const ld EPS = 1e-18;
const ll INF = 1e18;
const int MOD = 1e9+9;
const int N = 3e5+1;


int valid(int n, int arr[]){
    map<int,bool> v;
    int i;
    int idx = -1;
    for(i=0;i<n;i++){
        if(v[arr[i]])
            return 0;
        v[arr[i]]=1;
        if(arr[i]<=n)idx = i;
    }
    if(idx==-1)return 1;
    int curr = arr[idx];
    for(i=0;i<n;i++){
        if(arr[idx]<=n && arr[idx]!=curr)return 0;
        curr++;
        idx++;
        if(curr>n)curr-=n;
        idx%=n;
    }
    return 1;
}

int replacement(int n, int arr[], int ans[]){
    int pos = 0,curr = n+1,idx,maxi = 0;
    int i;
    int one = -1;
    vector<pi> seq;
    for(i=0;i<n;i++){
        if(arr[i]<=n)one = i;
        else seq.push_back({arr[i],i});
        if(arr[i]>maxi){
            maxi = arr[i];
            idx = i;
        }
    }
    sort(all(seq));
    int prev[n];
    int val;
    if(one==-1){
        one = 0;
        val = 1;
    }
    else
        val = arr[one];

    for(i=0;i<n;i++){
        prev[one] = val;
        val++;
        one++;
        if(val>n)val-=n;
        one%=n;
    }
    for(auto x : seq){
        while(curr!=x.F){
            ans[pos] = prev[idx];
            prev[idx] = curr;
            curr++;
            pos++;
        }
        ans[pos] = prev[x.S];
        prev[x.S] = curr;
        pos++;
        curr++;
    }
    return pos;
}

int countReplacement(int n, int arr[]){
    if(!valid(n,arr))return 0;
    ll ans = 1;
    vector<int> big;
    ll i;
    for(i=0;i<n;i++)
        if(arr[i]>n)big.push_back(arr[i]);
    sort(all(big));
    reverse(all(big));
    //int pos = 0;
    int curr = n+1;
    if((int)big.size()==n){
        ans = n;
    }
    while(big.size()){
        if(curr==big.back())big.pop_back();
        else ans = (ans*(ll)big.size())%MOD;
        curr++;
    }
    return ans;
}

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:57:28: warning: 'idx' may be used uninitialized in this function [-Wmaybe-uninitialized]
   57 |     int pos = 0,curr = n+1,idx,maxi = 0;
      |                            ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 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
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 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 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 16 ms 2176 KB Output is correct
7 Correct 13 ms 640 KB Output is correct
8 Correct 34 ms 3960 KB Output is correct
9 Correct 9 ms 1536 KB Output is correct
10 Correct 38 ms 4600 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 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 16 ms 2176 KB Output is correct
7 Correct 13 ms 640 KB Output is correct
8 Correct 36 ms 3960 KB Output is correct
9 Correct 9 ms 1536 KB Output is correct
10 Correct 38 ms 4600 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 22 ms 2176 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 54 ms 4728 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 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
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 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 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
11 Correct 12 ms 896 KB Output is correct
12 Correct 14 ms 1024 KB Output is correct
13 Correct 17 ms 1424 KB Output is correct
14 Correct 12 ms 896 KB Output is correct
15 Correct 33 ms 2288 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
# 결과 실행 시간 메모리 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 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 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 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 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 57 ms 4092 KB Output is correct
10 Correct 45 ms 3448 KB Output is correct
11 Correct 15 ms 1408 KB Output is correct
12 Correct 18 ms 1664 KB Output is correct
13 Correct 5 ms 640 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 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 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 54 ms 4216 KB Output is correct
10 Correct 40 ms 3448 KB Output is correct
11 Correct 18 ms 1408 KB Output is correct
12 Correct 18 ms 1664 KB Output is correct
13 Correct 12 ms 640 KB Output is correct
14 Execution timed out 1072 ms 5424 KB Time limit exceeded
15 Halted 0 ms 0 KB -