Submission #701965

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
701965	2023-02-22 11:49:54	PCTprobability	Gondola (IOI14_gondola)	C++17	100 / 100	64 ms	10804 KiB

gondola

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#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
using ll = long long;
const ll mod = 1000000009;
ll modPow(ll a,ll b,ll c){
  ll r=1;
  while(b){
    if(b&1) (r*=a)%=c;
    (a*=a)%=c;
    b/=2;
  }
  return r;
}
int valid(int n, int inputSeq[]){
  for(int i=0;i<n;i++) inputSeq[i]--;
  set<int> s;
  for(int i=0;i<n;i++) s.insert(inputSeq[i]);
  if(s.size()!=n) return 0;
  for(int i=0;i<n;i++){
    if(inputSeq[i]<n){
      for(int j=0;j<n;j++){
        if(inputSeq[(i+j)%n]<n&&inputSeq[(i+j)%n]!=(inputSeq[i]+j)%n) return 0;
      }
      return 1;
    }
  }
  return 1;
}
int replacement(int n, int gondolaSeq[], int replacementSeq[]){
 
 
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Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:19:14: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   19 |   if(s.size()!=n) return 0;
      |      ~~~~~~~~^~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:67:14: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   67 |   if(s.size()!=n) ok=false;
      |      ~~~~~~~~^~~
gondola.cpp:101:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  101 |   for(int i=0;i+1<id.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