Submission #511450

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
511450	2022-01-15 19:56:54	AdamGS	Gondola (IOI14_gondola)	C++14	100 / 100	54 ms	5956 KiB

gondola

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#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const ll MOD=1e9+9;
ll pot(ll a, ll b) {
  ll ans=1;
  while(b) {
    if(b&1) ans=(ans*a)%MOD;
    a=(a*a)%MOD;
    b/=2;
  }
  return ans;
}
int valid(int n, int T[]) {
  rep(i, n) --T[i];
  map<int,int>mp;
  rep(i, n) {
    ++mp[T[i]];
    if(mp[T[i]]>1) return 0;
  }
  rep(i, n) if(T[i]<n) {
    rep(j, n) if(T[(i+j)%n]<n) {
      if(T[(i+j)%n]!=(T[i]+j)%n) return 0;
 
 
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Compilation message (stderr)

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:62:15: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |  for(ll i=1; i<V.size(); ++i) ans=(ans*pot(V.size()-i, V[i]-V[i-1]-1))%MOD;
      |              ~^~~~~~~~~

• 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