oj.uz

Submission #645161

# Submission time Handle Problem Language Result Execution time Memory
645161 2022-09-26T11:23:10 Z mychecksedad Martian DNA (BOI18_dna) C++17
68 / 100
 2000 ms 20320 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define setp() cout << setprecision(15)
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " is " << x << '\n';
const int N = 1e6+100, M = 1e5+10, F = 2147483646, K = 20;



int n, k, s, a[N], dp[N][11], arr[N];
map<int, int> m;
void solve(){
    cin >> n >> k >> s;
    for(int i = 1; i <= n; ++i) cin >> a[i];
    for(int i = 1; i <= s; ++i){
        int c, x; cin >> c >> x;
        arr[i] = x;
        m[c] = i;
    }
    for(int i = 0; i <= n; ++i) for(int j = 0; j <= s; ++j) dp[i][j] = 0;
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= s; ++j) dp[i][j] = dp[i - 1][j];
        dp[i][m[a[i]]]++;
    }
    int best = MOD;
    for(int i = 1; i <= n; ++i){
        int l = 1, r = i, ans = -1;
        while(l <= r){
            int mid = (l + r) >> 1;
            bool ok = 1;
            for(int j = 1; j <= s; ++j) if(dp[i][j] - dp[mid - 1][j] < arr[j]) ok = 0;
            if(ok){
                ans = mid;
                l = mid + 1;
            }else r = mid - 1;
        }
        if(ans > -1) best = min(best, i - ans + 1);
    }
    if(best == MOD) cout << "impossible";
    else cout << best; 
}





int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    int T = 1, aa;
    // cin >> T;aa=T;
    while(T--){
        // cout << "Case #" << aa-T << ": ";
        solve();
        cout << '\n';
    }
    return 0;
 
}

Compilation message

dna.cpp: In function 'int main()':
dna.cpp:56:16: warning: unused variable 'aa' [-Wunused-variable]
   56 |     int T = 1, aa;
      |                ^~

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 2 ms 676 KB Output is correct
4 Correct 2 ms 700 KB Output is correct
5 Correct 3 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 10068 KB Output is correct
2 Correct 25 ms 10068 KB Output is correct
3 Correct 53 ms 10156 KB Output is correct
4 Correct 51 ms 10076 KB Output is correct
5 Correct 95 ms 14628 KB Output is correct
6 Correct 48 ms 10132 KB Output is correct
7 Correct 53 ms 10312 KB Output is correct
8 Correct 130 ms 20320 KB Output is correct
9 Correct 76 ms 10956 KB Output is correct
10 Correct 53 ms 10120 KB Output is correct
11 Correct 1 ms 464 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2078 ms 15940 KB Time limit exceeded
2 Halted 0 ms 0 KB -