Submission #706469

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
706469	2023-03-06 16:38:46	Hacv16	Gondola (IOI14_gondola)	C++17	100 / 100	65 ms	5976 KiB

gondola

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#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
typedef long long ll;
const int MOD = 1e9 + 9;
const int INF = 0x3f3f3f3f;
ll fexp(ll b, ll e){
    if(e == 0) return 1;
    if(e % 2 == 0) return fexp((b * b) % MOD, e >> 1);
    return (b * fexp(b, e - 1)) % MOD;
}
int valid(int n, int v[]){
    set<int> s(v, v + n);
    if((int) s.size() != n) return 0;
    for(int i = 0; i < n; i++){
        if(v[i] > n) continue;
        int left = (v[i] == 1 ? n : v[i] - 1), right = (v[i] == n ? 1 : v[i] + 1);
        int lefViz = (i == 0 ? v[n - 1] : v[i - 1]);
        int rigViz = (i == n - 1 ? v[0] : v[i + 1]);
        if((lefViz != left && lefViz <= n) || (rigViz != right && rigViz <= n)) return 0;
    }
    return 1;
 
 
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Compilation message (stderr)

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:49:17: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   49 |     if(s.size() == n) ans = (n * ans) % MOD;
      |        ~~~~~~~~~^~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:76:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |     for(int i = 0, val = n; i < aux.size(); i++){
      |                             ~~^~~~~~~~~~~~

• 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