oj.uz

Submission #927061

# Submission time Handle Problem Language Result Execution time Memory
927061 2024-02-14T07:57:10 Z vjudge1 Martian DNA (BOI18_dna) C++17
100 / 100
 66 ms 35404 KB 
// By ObeliX
#include <bits/stdc++.h>
#pragma GCC target( "sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#include <unordered_map>
#include <cstddef>
#include <cassert>
#include <bitset>
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <cmath>
#include <queue>
#include <map>
#include <set>

using namespace std;

const long long N = 1e6 + 5;
const long long mod = 1e9+7;
const long long INF = 1e18;

string al = "abcdefghijklmnopqrstuvwxyz";

long long n , k , r;
long long x[N];
long long a[N];
vector <int> v[N];

int main(){
    //freopen( "cinema.in" , "r" , stdin );
    //freopen( "cinema.out" , "w" , stdout );
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> k >> r;
    for ( int i = 1 ; i <= n ; i++ ) {
        cin >> a[i];
        v[a[i]].push_back( i );
    }
    long long ans = 0;
    int can = 0;
    for ( int i = 1 ; i <= r ; i++ ) {
         long long x1 , y;
         cin >> x1 >> y;
         if ( v[x1].size() < y ) {
             can = 1;
         }
         else {
            ans = max( ans , 1ll * v[x1][y-1] );
         }
         x[x1] = y;
    }
    if ( can == 1 ) {
        cout << "impossible";
        return 0;
    }
    long long mx = ans;
    for ( int i = 1 ; i <= n ; i++ ) {
        ans = min( ans , mx - i + 1 );
        if ( x[a[i]] != 0 ) {
            x[a[i]]++;
            if ( x[a[i]] > v[a[i]].size() ) {
                break;
            }
            mx = max( mx , 1ll * v[a[i]][x[a[i]] - 1] );
        }
    }
    cout << ans;
}

Compilation message

dna.cpp: In function 'int main()':
dna.cpp:46:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   46 |          if ( v[x1].size() < y ) {
      |               ~~~~~~~~~~~~~^~~
dna.cpp:63:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |             if ( x[a[i]] > v[a[i]].size() ) {
      |                  ~~~~~~~~^~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 27228 KB Output is correct
2 Correct 6 ms 27228 KB Output is correct
3 Correct 6 ms 27320 KB Output is correct
4 Correct 5 ms 27228 KB Output is correct
5 Correct 6 ms 27228 KB Output is correct
6 Correct 6 ms 27228 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 5 ms 27224 KB Output is correct
9 Correct 5 ms 27228 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 27228 KB Output is correct
2 Correct 6 ms 27228 KB Output is correct
3 Correct 6 ms 27384 KB Output is correct
4 Correct 6 ms 27228 KB Output is correct
5 Correct 6 ms 27228 KB Output is correct
6 Correct 6 ms 27228 KB Output is correct
7 Correct 5 ms 27228 KB Output is correct
8 Correct 6 ms 27228 KB Output is correct
9 Correct 6 ms 27228 KB Output is correct
10 Correct 6 ms 27236 KB Output is correct
11 Correct 6 ms 27228 KB Output is correct
12 Correct 5 ms 27228 KB Output is correct
13 Correct 6 ms 27324 KB Output is correct
14 Correct 6 ms 27228 KB Output is correct
15 Correct 5 ms 27228 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 30556 KB Output is correct
2 Correct 16 ms 30320 KB Output is correct
3 Correct 15 ms 30168 KB Output is correct
4 Correct 15 ms 30512 KB Output is correct
5 Correct 27 ms 31836 KB Output is correct
6 Correct 14 ms 30556 KB Output is correct
7 Correct 15 ms 30300 KB Output is correct
8 Correct 56 ms 35404 KB Output is correct
9 Correct 26 ms 30488 KB Output is correct
10 Correct 15 ms 30460 KB Output is correct
11 Correct 6 ms 27480 KB Output is correct
12 Correct 7 ms 27228 KB Output is correct
13 Correct 6 ms 27224 KB Output is correct
14 Correct 8 ms 27228 KB Output is correct
15 Correct 6 ms 27228 KB Output is correct
16 Correct 6 ms 27228 KB Output is correct
17 Correct 6 ms 27256 KB Output is correct
18 Correct 5 ms 27228 KB Output is correct
19 Correct 5 ms 27228 KB Output is correct
20 Correct 6 ms 27272 KB Output is correct
21 Correct 6 ms 27228 KB Output is correct
22 Correct 5 ms 27228 KB Output is correct
23 Correct 5 ms 27228 KB Output is correct
24 Correct 6 ms 27228 KB Output is correct
25 Correct 5 ms 27256 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 31836 KB Output is correct
2 Correct 41 ms 31392 KB Output is correct
3 Correct 31 ms 31160 KB Output is correct
4 Correct 15 ms 30196 KB Output is correct
5 Correct 42 ms 32528 KB Output is correct
6 Correct 66 ms 35164 KB Output is correct
7 Correct 24 ms 30680 KB Output is correct
8 Correct 28 ms 30804 KB Output is correct
9 Correct 14 ms 30552 KB Output is correct
10 Correct 18 ms 30480 KB Output is correct
11 Correct 15 ms 30168 KB Output is correct
12 Correct 15 ms 30592 KB Output is correct
13 Correct 27 ms 31836 KB Output is correct
14 Correct 15 ms 30808 KB Output is correct
15 Correct 19 ms 30344 KB Output is correct
16 Correct 36 ms 35388 KB Output is correct
17 Correct 22 ms 30556 KB Output is correct
18 Correct 15 ms 30456 KB Output is correct
19 Correct 6 ms 27224 KB Output is correct
20 Correct 6 ms 27228 KB Output is correct
21 Correct 7 ms 27228 KB Output is correct
22 Correct 6 ms 27272 KB Output is correct
23 Correct 6 ms 27228 KB Output is correct
24 Correct 6 ms 27480 KB Output is correct
25 Correct 5 ms 27228 KB Output is correct
26 Correct 6 ms 27224 KB Output is correct
27 Correct 6 ms 27224 KB Output is correct
28 Correct 6 ms 27228 KB Output is correct
29 Correct 5 ms 27228 KB Output is correct
30 Correct 6 ms 27260 KB Output is correct
31 Correct 6 ms 27272 KB Output is correct
32 Correct 5 ms 27276 KB Output is correct
33 Correct 6 ms 27320 KB Output is correct