Submission #1340837

#TimeUsernameProblemLanguageResultExecution timeMemory
1340837sallyGondola (IOI14_gondola)C++20
25 / 100
6 ms640 KiB
#include<iostream>
#include<vector>
#include<algorithm>
#include "gondola.h"
#include<set>
using namespace std;

int valid(int N, int seq[]) {
    int flag = 1;
    for(int i=1; i<N; i++) {
        if(seq[i] != (seq[i-1])%N +1) {
            flag = 0;
            break;
        }
    }
    return flag;
}
// int valid(int N, int seq[]) {
//     int flag = 1;
//     int diff;
//     for(int i=0; i<N; i++) {
//         if(seq[i] <= N) {
//             diff = seq[i] - i; // val = index + diff
//             break;
//         }
//     }
//     for(int i=0; i<N; i++) {
//         if(seq[i]>N) continue;
//         if(seq[i] != (i + diff + N-1) % N + 1) {
//             flag = 0;
//             break;
//         }
//     }
//     return flag;
// }
int replacement(int n, int seq[], int replacementSeq[]) {
    int res = 0;
    // for(int i=0; i<n; i++) {
    //     if(seq[i]>n) res++; 
    // }
    vector<int> temp(n);
    set<int> st;
    int mx = 0, ptr = 0;
    for(int i=0; i<n; i++){st.insert(seq[i]); mx = max(mx, seq[i]);}
    for(int i=1; i<=mx; i++) {
        if(st.find(i) == st.end()) {replacementSeq[ptr++] = i; res++;}
    }
    //for(int i=0; i<n; i++) cout<<replacementSeq[i]<<' ';
    return res;
}
int countReplacement(int n, int inputSeq[]) {
    return -1;
}


// int main() {
//     int seq[3] = {3,1,4};
//     int rep[10];
//     cout<<replacement(3, seq, rep);
// }
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