Submission #548156

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
548156	2022-04-12 15:16:32	QuantumK9	Martian DNA (BOI18_dna)	C++17	100 / 100	233 ms	13596 KiB

dna

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#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define mt make_tuple 
using namespace std;
void solve(){
    int n,k,r; cin >> n >> k >> r;
    int count[k]; memset( count, 0, sizeof count ); 
    bool needs[k]; memset( needs, false, sizeof needs );
    int a[n]; for( int i = 0; i < n; i++ ){ cin >> a[i]; count[ a[i] ]++; }
    map<int,int> required;
    set<int> unsatisfied;
    
    for( int i = 0; i < r; i++ ){
        int b,k; cin >> b >> k;
        required[b] = k;
        needs[b] = true;
        unsatisfied.insert(b);
    }
    for( auto i : required ){
        if( count[ i.first ] < i.second ){ cout << "impossible" << endl; return; }
 
 
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• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 28 / 28
• Subtask 4: 32 / 32