oj.uz

Submission #675954

# Submission time Handle Problem Language Result Execution time Memory
675954 2022-12-28T15:07:00 Z guagua0407 Martian DNA (BOI18_dna) C++17
100 / 100
 249 ms 13440 KB 
/*
燒雞
 燒雞
  燒雞    好想進選訓
 燒雞
燒雞
*/
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end() 
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

const int mxn=2e5+5;
int num[mxn];
map<int,int> mp;
vector<int> cntr(mxn,0);
vector<bool> isenough(mxn,false);
set<int> have;
int n;

int main() {_
    //setIO("wayne");
    int k,R;
    cin>>n>>k>>R;
    for(int i=1;i<=n;i++){
        cin>>num[i];
    }
    for(int i=0;i<R;i++){
        int x,cnt;
        cin>>x>>cnt;
        mp[x]=cnt;
        have.insert(x);
    }
    int ans=n+1;
    int r=0;
    int cur=0;
    for(int l=1;l<=n;l++){
        while(cur<R and r+1<=n){
            r++;
            if(have.count(num[r])){
                cntr[num[r]]++;
                if(cntr[num[r]]>=mp[num[r]]){
                    if(isenough[num[r]]==false){
                        cur++;
                    }
                    isenough[num[r]]=true;
                }
            }
            if(r==n) break;
        }
        if(cur>=R){
            ans=min(ans,r-l+1);
        }
        if(have.count(num[l])==0) continue;
        cntr[num[l]]--;
        if(cntr[num[l]]<mp[num[l]]){
            if(isenough[num[l]]==true){
                cur--;
            }
            isenough[num[l]]=false;
        }
    }
    if(ans==n+1){
        cout<<"impossible";
    }
    else{
        cout<<ans;
    }
    return 0;
}
//maybe its multiset not set

Compilation message

dna.cpp: In function 'void setIO(std::string)':
dna.cpp:19:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dna.cpp:20:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct
3 Correct 1 ms 1108 KB Output is correct
4 Correct 1 ms 1108 KB Output is correct
5 Correct 1 ms 1108 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 1 ms 1108 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1156 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct
3 Correct 1 ms 1108 KB Output is correct
4 Correct 1 ms 1108 KB Output is correct
5 Correct 1 ms 1108 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 1 ms 1108 KB Output is correct
8 Correct 1 ms 1108 KB Output is correct
9 Correct 1 ms 1108 KB Output is correct
10 Correct 2 ms 1108 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1108 KB Output is correct
15 Correct 1 ms 1108 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2260 KB Output is correct
2 Correct 15 ms 2316 KB Output is correct
3 Correct 16 ms 2316 KB Output is correct
4 Correct 16 ms 2304 KB Output is correct
5 Correct 21 ms 3020 KB Output is correct
6 Correct 21 ms 2232 KB Output is correct
7 Correct 20 ms 2572 KB Output is correct
8 Correct 23 ms 3148 KB Output is correct
9 Correct 20 ms 2764 KB Output is correct
10 Correct 20 ms 2248 KB Output is correct
11 Correct 1 ms 1108 KB Output is correct
12 Correct 1 ms 1108 KB Output is correct
13 Correct 1 ms 1108 KB Output is correct
14 Correct 1 ms 1108 KB Output is correct
15 Correct 1 ms 1168 KB Output is correct
16 Correct 1 ms 1108 KB Output is correct
17 Correct 1 ms 1108 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1108 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 1108 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 203 ms 11056 KB Output is correct
2 Correct 154 ms 9108 KB Output is correct
3 Correct 86 ms 4968 KB Output is correct
4 Correct 17 ms 2280 KB Output is correct
5 Correct 215 ms 11516 KB Output is correct
6 Correct 249 ms 13440 KB Output is correct
7 Correct 92 ms 3516 KB Output is correct
8 Correct 113 ms 4556 KB Output is correct
9 Correct 17 ms 2296 KB Output is correct
10 Correct 15 ms 2308 KB Output is correct
11 Correct 19 ms 2356 KB Output is correct
12 Correct 16 ms 2304 KB Output is correct
13 Correct 21 ms 2972 KB Output is correct
14 Correct 21 ms 2260 KB Output is correct
15 Correct 17 ms 2448 KB Output is correct
16 Correct 23 ms 3156 KB Output is correct
17 Correct 20 ms 2828 KB Output is correct
18 Correct 20 ms 2292 KB Output is correct
19 Correct 1 ms 1108 KB Output is correct
20 Correct 1 ms 1236 KB Output is correct
21 Correct 1 ms 1180 KB Output is correct
22 Correct 1 ms 1184 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 1108 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 1108 KB Output is correct
28 Correct 1 ms 1108 KB Output is correct
29 Correct 1 ms 1108 KB Output is correct
30 Correct 1 ms 1108 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 1108 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct