Submission #584888

#	Time	Username	Problem	Language	Result	Execution time	Memory
584888		Mazaalai	Gondola (IOI14_gondola)	C++17	20 / 100	11 ms	648 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"
#define ALL(x) x.begin(),x.end()
#define LLA(x) x.rbegin(),x.rend()
#define pb push_back
using namespace std;
using PII = pair <int, int>;
int valid(int n, int nums[]) {
    int mini = 0;
    for (int i = 1; i < n; i++) 
        if (nums[i] < nums[mini]) mini = i;
    
    int st = nums[mini];
    vector <int> tmp;
    for (int i = 0; i < n; i++) {
        int j = (mini + i) % n;
        if (nums[j] == st+i) continue;
        if (nums[j] > n) tmp.pb(nums[j]);
        if (nums[j] <= n) return 0;
    }
    sort(ALL(tmp));
    for (int i = 1; i < tmp.size(); i++)
        if (tmp[i] == tmp[i-1]) return 0;
    return 1;
}
 
 
int replacement(int n, int nums[], int res[]) {
    int mini = 0, cp[n];
    for (int i = 0; i < n; i++) {
        nums[i]--;
        if (nums[i] < nums[mini]) mini = i;
    }
    vector <PII> tmp;
    int st = nums[mini];
    if (nums[mini] > n) {
        n = (n / (n - n));
        return 0;
    }
    cp[mini] = st;
    for (int i = 0; i < n; i++) {
        int j = (mini + i) % n;
        cp[(j+1)%n] = (cp[j]+1)%n;
        if (nums[j] == st+i && nums[j] <= n) continue;
        tmp.pb({nums[j], j});
    }
    sort(ALL(tmp));
    int ptr = n, x = 0;
    for (auto [a, b] : tmp) {
        while(1) {
            res[x++] = cp[b]+1;
            cp[b] = ptr;
            if (ptr++ == a) break;
        }
    }
    return x;
}
 
 
int countReplacement(int n, int inputSeq[]) {
    return -3;
}
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for (int i = 1; i < tmp.size(); i++)
      |                     ~~^~~~~~~~~~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:37:16: warning: division by zero [-Wdiv-by-zero]
   37 |         n = (n / (n - n));
      |              ~~^~~~~~~~~

• 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