Submission #1108715

# Submission time Handle Problem Language Result Execution time Memory
1108715 2024-11-04T20:29:07 Z _rain_ Martian DNA (BOI18_dna) C++14
100 / 100
88 ms 7316 KB
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
#define name "main"

const int N=200'000;
int n,k,R;
int d[N+2],q[N+2];

int st[N*4+2];
#define lef(id) id<<1
#define rig(id) id<<1|1
void build(int id,int l,int r){
	if (l==r) st[id]=q[l];
	else{
		int m=l+r>>1;
		build(lef(id),l,m);
		build(rig(id),m+1,r);
		st[id]=max(st[lef(id)],st[rig(id)]);
	}
}
void upd(int id,int l,int r,int p,int x){
	if (l>p||r<p) return;
	if (l==r){
		st[id]+=x;
	}
	else{
		int m=l+r>>1;
		upd(lef(id),l,m,p,x);
		upd(rig(id),m+1,r,p,x);
		st[id]=max(st[lef(id)],st[rig(id)]);
	}
}

int32_t main(){
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);

	cin>>n>>k>>R;
	for(int i=1;i<=n;++i) cin>>d[i],++d[i];
	for(int i=1;i<=R;++i) {
		int t;cin>>t;++t;cin>>q[t];
	}
	build(1,1,k);
	int ans=n+1;
	for(int i=1,j=1;i<=n;++i){
		while(j<=n&&st[1]>0){
			upd(1,1,k,d[j],-1);
			++j;
		}
		if (st[1]==0) ans=min(ans,j-i);
		upd(1,1,k,d[i],1);
	}
	if (ans==n+1){
		cout<<"impossible";
		exit(0);
	}
	cout<<ans;
	exit(0);
}

Compilation message

dna.cpp: In function 'void build(int, int, int)':
dna.cpp:17:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   17 |   int m=l+r>>1;
      |         ~^~
dna.cpp: In function 'void upd(int, int, int, int, int)':
dna.cpp:29:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |   int m=l+r>>1;
      |         ~^~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2520 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 2 ms 2384 KB Output is correct
4 Correct 3 ms 2552 KB Output is correct
5 Correct 3 ms 2640 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2520 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2552 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2516 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 15 ms 3152 KB Output is correct
2 Correct 12 ms 3156 KB Output is correct
3 Correct 17 ms 3356 KB Output is correct
4 Correct 17 ms 3152 KB Output is correct
5 Correct 72 ms 6224 KB Output is correct
6 Correct 20 ms 3152 KB Output is correct
7 Correct 36 ms 3488 KB Output is correct
8 Correct 82 ms 6376 KB Output is correct
9 Correct 59 ms 3920 KB Output is correct
10 Correct 19 ms 3152 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 2 ms 2384 KB Output is correct
14 Correct 2 ms 2384 KB Output is correct
15 Correct 2 ms 2540 KB Output is correct
16 Correct 1 ms 2556 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 1 ms 2512 KB Output is correct
22 Correct 1 ms 2384 KB Output is correct
23 Correct 1 ms 2384 KB Output is correct
24 Correct 1 ms 2384 KB Output is correct
25 Correct 1 ms 2384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 80 ms 6736 KB Output is correct
2 Correct 74 ms 6904 KB Output is correct
3 Correct 69 ms 6224 KB Output is correct
4 Correct 11 ms 3152 KB Output is correct
5 Correct 81 ms 7316 KB Output is correct
6 Correct 88 ms 6992 KB Output is correct
7 Correct 61 ms 3920 KB Output is correct
8 Correct 65 ms 6220 KB Output is correct
9 Correct 15 ms 3164 KB Output is correct
10 Correct 12 ms 3096 KB Output is correct
11 Correct 17 ms 3288 KB Output is correct
12 Correct 16 ms 3152 KB Output is correct
13 Correct 69 ms 6224 KB Output is correct
14 Correct 19 ms 3152 KB Output is correct
15 Correct 30 ms 3336 KB Output is correct
16 Correct 82 ms 6224 KB Output is correct
17 Correct 56 ms 3920 KB Output is correct
18 Correct 19 ms 3152 KB Output is correct
19 Correct 1 ms 2400 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 2 ms 2384 KB Output is correct
22 Correct 2 ms 2384 KB Output is correct
23 Correct 2 ms 2384 KB Output is correct
24 Correct 1 ms 2524 KB Output is correct
25 Correct 1 ms 2384 KB Output is correct
26 Correct 1 ms 2384 KB Output is correct
27 Correct 1 ms 2516 KB Output is correct
28 Correct 1 ms 2384 KB Output is correct
29 Correct 1 ms 2384 KB Output is correct
30 Correct 1 ms 2384 KB Output is correct
31 Correct 1 ms 2384 KB Output is correct
32 Correct 1 ms 2384 KB Output is correct
33 Correct 1 ms 2384 KB Output is correct