Submission #641811

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
641811	2022-09-17 16:09:35	manizare	Exam (eJOI20_exam)	C++14	100 / 100	246 ms	392248 KiB

exam

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#include<bits/stdc++.h>
 
#define all(a) a.begin(),a.end()
#define pb push_back
#define int long long
using namespace std ;
 
const int maxn = 5002 , maxq = 1e5+10 , mod = 998244353 ,inf = 1e18 ;
int dp[3][maxn][maxn] , n , a[maxq] , b[maxq] , l[maxq] , r[maxq] , c[maxq] , p[maxq]  ;
stack<int> s , t;
set <int > ff; 
int solve(int n){
  map <int , int > m , q  ;
  int cnt = 1 ;
  for(int i = 1; i <= n ; i++){
    m[a[i]] = cnt ;
    p[cnt] = i ;
    cnt++;
  }
  cnt = 1; 
  vector <int> v , last ;
  last.pb(0);
  for(int i = 1; i <= n ; i++){
    last.pb(inf);
    if(m[b[i]] == 0)continue ;
    int ind = p[m[b[i]]] ;
    if(l[ind] < i && r[ind] > i){
      if(q[b[i]] == 0){
        q[b[i]] = cnt ;
                cnt++;
 
 
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Compilation message (stderr)

exam.cpp: In function 'long long int solve(long long int)':
exam.cpp:36:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |  for(int i = 0; i < v.size() ; i++){
      |                 ~~^~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 12 / 12
• Subtask 3: 13 / 13
• Subtask 4: 23 / 23
• Subtask 5: 16 / 16
• Subtask 6: 22 / 22