Submission #411943

#	Time	Username	Problem	Language	Result	Execution time	Memory
411943		losmi247	Gondola (IOI14_gondola)	C++14	20 / 100	13 ms	2196 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
typedef long long ll;
const int N = 1e5+34;

int n,a[N];
int pos[N],bio[3*N];

int valid(int br,int *inputseq){
    n = br;
    for(int i = 1; i <= n; i++) a[i] = inputseq[i-1];

    for(int i = 1; i <= n; i++){
        if(a[i] <= n) pos[a[i]] = i;
        if(bio[a[i]]) return 0;
        bio[a[i]] = 1;
    }
    int lst = 0;
    bool ok = 1;
    for(int i = 1; i <= n; i++){
        if(!pos[i]) continue;
        if(!lst){
            lst = i;
            continue;
        }
        if(pos[lst] < pos[i]){
            if(pos[i]-pos[lst] != i-lst){
                ok = 0;
                break;
            }
        }
        else{
            if(pos[lst]-pos[i]-1 != lst-1+n-i){
                ok = 0;
                break;
            }
        }
        lst = i;
    }

    return ok;
}

int replacement(int br,int *gondolaSeq,int *replacementSeq){

}

int countReplacement(int br,int *inputSeq){

}

/*int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int a;
    cin >> a;
    int *niz = (int*)malloc(sizeof(int)*a);
    for(int i = 0; i < a; i++) cin >> niz[i];
    cout << valid(a,niz) << endl;
}*/

Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:47:1: warning: no return statement in function returning non-void [-Wreturn-type]
   47 | }
      | ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:51:1: warning: no return statement in function returning non-void [-Wreturn-type]
   51 | }
      | ^

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10