답안 #467054

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
467054	2021-08-21T13:31:28 Z	mosiashvililuka	Bigger segments (IZhO19_segments)	C++14	100 / 100	159 ms	48200 KB

segments

#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,e,i,j,ii,jj,zx,xc,dp[500009],dp2[500009],f[500009],jm[500009],lef,rig,mid;
vector <long long> v[500009];
int main(){
	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>a;
	for(i=1; i<=a; i++){
		cin>>f[i];jm[i]=jm[i-1]+f[i];
	}
	for(i=1; i<=a; i++){
		dp[i]=1;dp2[i]=jm[i];
		for(vector <long long>::iterator it=v[i].begin(); it!=v[i].end(); it++){
			/*if(dp[i]<dp[(*it)]+1||(dp[i]==dp[(*it)]+1&&dp2[i]>jm[i]-jm[(*it)])){
				dp[i]=dp[(*it)]+1;dp2[i]=jm[i]-jm[(*it)];
			}*/
			jj=max((*it),jj);
		}
		if(jj!=0){
			if(dp[i]<dp[jj]+1||(dp[i]==dp[jj]+1&&dp2[i]>jm[i]-jm[jj])){
				dp[i]=dp[jj]+1;dp2[i]=jm[i]-jm[jj];
			}
		}
		/*for(j=i-1; j>=1; j--){
			if(dp2[j]+jm[j]<=jm[i]){
				dp[i]=dp[j]+1;dp2[i]=jm[i]-jm[j];
				break;
			}
		}*/
		lef=0;rig=a+1;
		while(1){
			if(lef+1>=rig) break;
			mid=(lef+rig)/2;
			if(dp2[i]+jm[i]<=jm[mid]){
				rig=mid;
			}else{
				lef=mid;
			}
		}
		v[rig].push_back(i);
	}
	cout<<dp[a];
	return 0;
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	11980 KB	Output is correct
2	Correct	7 ms	11980 KB	Output is correct
3	Correct	7 ms	11980 KB	Output is correct
4	Correct	7 ms	11992 KB	Output is correct
5	Correct	7 ms	11980 KB	Output is correct
6	Correct	7 ms	11980 KB	Output is correct
7	Correct	7 ms	11984 KB	Output is correct
8	Correct	7 ms	11980 KB	Output is correct
9	Correct	8 ms	11980 KB	Output is correct
10	Correct	7 ms	11980 KB	Output is correct
11	Correct	7 ms	11980 KB	Output is correct
12	Correct	7 ms	11980 KB	Output is correct
13	Correct	7 ms	12088 KB	Output is correct
14	Correct	9 ms	11980 KB	Output is correct
15	Correct	8 ms	11980 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	11980 KB	Output is correct
2	Correct	7 ms	11980 KB	Output is correct
3	Correct	7 ms	11980 KB	Output is correct
4	Correct	7 ms	11992 KB	Output is correct
5	Correct	7 ms	11980 KB	Output is correct
6	Correct	7 ms	11980 KB	Output is correct
7	Correct	7 ms	11984 KB	Output is correct
8	Correct	7 ms	11980 KB	Output is correct
9	Correct	8 ms	11980 KB	Output is correct
10	Correct	7 ms	11980 KB	Output is correct
11	Correct	7 ms	11980 KB	Output is correct
12	Correct	7 ms	11980 KB	Output is correct
13	Correct	7 ms	12088 KB	Output is correct
14	Correct	9 ms	11980 KB	Output is correct
15	Correct	8 ms	11980 KB	Output is correct
16	Correct	7 ms	12108 KB	Output is correct
17	Correct	8 ms	12108 KB	Output is correct
18	Correct	7 ms	12100 KB	Output is correct
19	Correct	7 ms	12108 KB	Output is correct
20	Correct	7 ms	12236 KB	Output is correct
21	Correct	7 ms	12108 KB	Output is correct
22	Correct	7 ms	12108 KB	Output is correct
23	Correct	7 ms	12024 KB	Output is correct
24	Correct	7 ms	12108 KB	Output is correct
25	Correct	9 ms	12012 KB	Output is correct
26	Correct	7 ms	12116 KB	Output is correct
27	Correct	7 ms	12112 KB	Output is correct
28	Correct	7 ms	12024 KB	Output is correct
29	Correct	7 ms	12108 KB	Output is correct
30	Correct	8 ms	12108 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	11980 KB	Output is correct
2	Correct	7 ms	11980 KB	Output is correct
3	Correct	7 ms	11980 KB	Output is correct
4	Correct	7 ms	11992 KB	Output is correct
5	Correct	7 ms	11980 KB	Output is correct
6	Correct	7 ms	11980 KB	Output is correct
7	Correct	7 ms	11984 KB	Output is correct
8	Correct	7 ms	11980 KB	Output is correct
9	Correct	8 ms	11980 KB	Output is correct
10	Correct	7 ms	11980 KB	Output is correct
11	Correct	7 ms	11980 KB	Output is correct
12	Correct	7 ms	11980 KB	Output is correct
13	Correct	7 ms	12088 KB	Output is correct
14	Correct	9 ms	11980 KB	Output is correct
15	Correct	8 ms	11980 KB	Output is correct
16	Correct	7 ms	12108 KB	Output is correct
17	Correct	8 ms	12108 KB	Output is correct
18	Correct	7 ms	12100 KB	Output is correct
19	Correct	7 ms	12108 KB	Output is correct
20	Correct	7 ms	12236 KB	Output is correct
21	Correct	7 ms	12108 KB	Output is correct
22	Correct	7 ms	12108 KB	Output is correct
23	Correct	7 ms	12024 KB	Output is correct
24	Correct	7 ms	12108 KB	Output is correct
25	Correct	9 ms	12012 KB	Output is correct
26	Correct	7 ms	12116 KB	Output is correct
27	Correct	7 ms	12112 KB	Output is correct
28	Correct	7 ms	12024 KB	Output is correct
29	Correct	7 ms	12108 KB	Output is correct
30	Correct	8 ms	12108 KB	Output is correct
31	Correct	8 ms	12236 KB	Output is correct
32	Correct	8 ms	12236 KB	Output is correct
33	Correct	9 ms	12236 KB	Output is correct
34	Correct	8 ms	12236 KB	Output is correct
35	Correct	8 ms	12236 KB	Output is correct
36	Correct	8 ms	12236 KB	Output is correct
37	Correct	8 ms	12108 KB	Output is correct
38	Correct	8 ms	12108 KB	Output is correct
39	Correct	8 ms	12208 KB	Output is correct
40	Correct	8 ms	12236 KB	Output is correct
41	Correct	8 ms	12236 KB	Output is correct
42	Correct	8 ms	12236 KB	Output is correct
43	Correct	8 ms	12236 KB	Output is correct
44	Correct	8 ms	12236 KB	Output is correct
45	Correct	10 ms	12212 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	11980 KB	Output is correct
2	Correct	7 ms	11980 KB	Output is correct
3	Correct	7 ms	11980 KB	Output is correct
4	Correct	7 ms	11992 KB	Output is correct
5	Correct	7 ms	11980 KB	Output is correct
6	Correct	7 ms	11980 KB	Output is correct
7	Correct	7 ms	11984 KB	Output is correct
8	Correct	7 ms	11980 KB	Output is correct
9	Correct	8 ms	11980 KB	Output is correct
10	Correct	7 ms	11980 KB	Output is correct
11	Correct	7 ms	11980 KB	Output is correct
12	Correct	7 ms	11980 KB	Output is correct
13	Correct	7 ms	12088 KB	Output is correct
14	Correct	9 ms	11980 KB	Output is correct
15	Correct	8 ms	11980 KB	Output is correct
16	Correct	7 ms	12108 KB	Output is correct
17	Correct	8 ms	12108 KB	Output is correct
18	Correct	7 ms	12100 KB	Output is correct
19	Correct	7 ms	12108 KB	Output is correct
20	Correct	7 ms	12236 KB	Output is correct
21	Correct	7 ms	12108 KB	Output is correct
22	Correct	7 ms	12108 KB	Output is correct
23	Correct	7 ms	12024 KB	Output is correct
24	Correct	7 ms	12108 KB	Output is correct
25	Correct	9 ms	12012 KB	Output is correct
26	Correct	7 ms	12116 KB	Output is correct
27	Correct	7 ms	12112 KB	Output is correct
28	Correct	7 ms	12024 KB	Output is correct
29	Correct	7 ms	12108 KB	Output is correct
30	Correct	8 ms	12108 KB	Output is correct
31	Correct	8 ms	12236 KB	Output is correct
32	Correct	8 ms	12236 KB	Output is correct
33	Correct	9 ms	12236 KB	Output is correct
34	Correct	8 ms	12236 KB	Output is correct
35	Correct	8 ms	12236 KB	Output is correct
36	Correct	8 ms	12236 KB	Output is correct
37	Correct	8 ms	12108 KB	Output is correct
38	Correct	8 ms	12108 KB	Output is correct
39	Correct	8 ms	12208 KB	Output is correct
40	Correct	8 ms	12236 KB	Output is correct
41	Correct	8 ms	12236 KB	Output is correct
42	Correct	8 ms	12236 KB	Output is correct
43	Correct	8 ms	12236 KB	Output is correct
44	Correct	8 ms	12236 KB	Output is correct
45	Correct	10 ms	12212 KB	Output is correct
46	Correct	30 ms	16048 KB	Output is correct
47	Correct	31 ms	17416 KB	Output is correct
48	Correct	35 ms	17988 KB	Output is correct
49	Correct	36 ms	19100 KB	Output is correct
50	Correct	41 ms	19268 KB	Output is correct
51	Correct	39 ms	18116 KB	Output is correct
52	Correct	28 ms	15072 KB	Output is correct
53	Correct	16 ms	13900 KB	Output is correct
54	Correct	34 ms	17320 KB	Output is correct
55	Correct	36 ms	18844 KB	Output is correct
56	Correct	31 ms	18716 KB	Output is correct
57	Correct	30 ms	17764 KB	Output is correct
58	Correct	32 ms	18112 KB	Output is correct
59	Correct	32 ms	18832 KB	Output is correct
60	Correct	33 ms	18756 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	11980 KB	Output is correct
2	Correct	7 ms	11980 KB	Output is correct
3	Correct	7 ms	11980 KB	Output is correct
4	Correct	7 ms	11992 KB	Output is correct
5	Correct	7 ms	11980 KB	Output is correct
6	Correct	7 ms	11980 KB	Output is correct
7	Correct	7 ms	11984 KB	Output is correct
8	Correct	7 ms	11980 KB	Output is correct
9	Correct	8 ms	11980 KB	Output is correct
10	Correct	7 ms	11980 KB	Output is correct
11	Correct	7 ms	11980 KB	Output is correct
12	Correct	7 ms	11980 KB	Output is correct
13	Correct	7 ms	12088 KB	Output is correct
14	Correct	9 ms	11980 KB	Output is correct
15	Correct	8 ms	11980 KB	Output is correct
16	Correct	7 ms	12108 KB	Output is correct
17	Correct	8 ms	12108 KB	Output is correct
18	Correct	7 ms	12100 KB	Output is correct
19	Correct	7 ms	12108 KB	Output is correct
20	Correct	7 ms	12236 KB	Output is correct
21	Correct	7 ms	12108 KB	Output is correct
22	Correct	7 ms	12108 KB	Output is correct
23	Correct	7 ms	12024 KB	Output is correct
24	Correct	7 ms	12108 KB	Output is correct
25	Correct	9 ms	12012 KB	Output is correct
26	Correct	7 ms	12116 KB	Output is correct
27	Correct	7 ms	12112 KB	Output is correct
28	Correct	7 ms	12024 KB	Output is correct
29	Correct	7 ms	12108 KB	Output is correct
30	Correct	8 ms	12108 KB	Output is correct
31	Correct	8 ms	12236 KB	Output is correct
32	Correct	8 ms	12236 KB	Output is correct
33	Correct	9 ms	12236 KB	Output is correct
34	Correct	8 ms	12236 KB	Output is correct
35	Correct	8 ms	12236 KB	Output is correct
36	Correct	8 ms	12236 KB	Output is correct
37	Correct	8 ms	12108 KB	Output is correct
38	Correct	8 ms	12108 KB	Output is correct
39	Correct	8 ms	12208 KB	Output is correct
40	Correct	8 ms	12236 KB	Output is correct
41	Correct	8 ms	12236 KB	Output is correct
42	Correct	8 ms	12236 KB	Output is correct
43	Correct	8 ms	12236 KB	Output is correct
44	Correct	8 ms	12236 KB	Output is correct
45	Correct	10 ms	12212 KB	Output is correct
46	Correct	30 ms	16048 KB	Output is correct
47	Correct	31 ms	17416 KB	Output is correct
48	Correct	35 ms	17988 KB	Output is correct
49	Correct	36 ms	19100 KB	Output is correct
50	Correct	41 ms	19268 KB	Output is correct
51	Correct	39 ms	18116 KB	Output is correct
52	Correct	28 ms	15072 KB	Output is correct
53	Correct	16 ms	13900 KB	Output is correct
54	Correct	34 ms	17320 KB	Output is correct
55	Correct	36 ms	18844 KB	Output is correct
56	Correct	31 ms	18716 KB	Output is correct
57	Correct	30 ms	17764 KB	Output is correct
58	Correct	32 ms	18112 KB	Output is correct
59	Correct	32 ms	18832 KB	Output is correct
60	Correct	33 ms	18756 KB	Output is correct
61	Correct	116 ms	33696 KB	Output is correct
62	Correct	112 ms	35132 KB	Output is correct
63	Correct	128 ms	38836 KB	Output is correct
64	Correct	155 ms	43840 KB	Output is correct
65	Correct	150 ms	48200 KB	Output is correct
66	Correct	159 ms	42776 KB	Output is correct
67	Correct	135 ms	36624 KB	Output is correct
68	Correct	67 ms	24360 KB	Output is correct
69	Correct	148 ms	38512 KB	Output is correct
70	Correct	156 ms	46060 KB	Output is correct
71	Correct	135 ms	45232 KB	Output is correct
72	Correct	130 ms	40988 KB	Output is correct
73	Correct	136 ms	44456 KB	Output is correct
74	Correct	152 ms	46656 KB	Output is correct
75	Correct	147 ms	46624 KB	Output is correct

답안 #467054

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 27.0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
27.0 / 27.0