Submission #239542

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
239542	2020-06-16 08:48:14	Autoratch	Gondola (IOI14_gondola)	C++14	100 / 100	30 ms	2816 KiB

gondola

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#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 2;
const long long MOD = 1e9 + 9;
int repl[N];
int valid(int n,int a[])
{
    int x,y = 0;
    for(int i = 0;i < n;i++) if(a[i]<=n) x = i,y = a[i];
    for(int i = 0;i < n;i++) if(a[i]<=n)
    {
        int z = y+i-x;
        if(z>n) z%=n;
        if(z<1) z+=n;
        if(y and z!=a[i]) return 0;
    }
    sort(a,a+n);
    for(int i = 0;i < n-1;i++) if(a[i]==a[i+1]) return 0;
    return 1;
}
int replacement(int n,int a[],int ans[])
{
    int x = 0,y = 1,mx = 0;
    for(int i = 0;i < n;i++) 
    {
 
 
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Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:12:9: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
     int x,y = 0;
         ^

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