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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#211286#2399. 全连mygr1003966ms103548kbC++111.4kb2024-08-10 12:00:482024-08-10 12:41:25

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int Max=1e6+5;
struct node{
	int l,r,s,t,rk;
}p[Max],p2[Max];
int dp[Max];

struct Tree{
	struct node{
		int Max;
	}p[Max*4];
	void pushup(int now)
	{
		p[now].Max=max(p[now<<1].Max,p[now<<1|1].Max);
	}
	void update(int now,int l,int r,int loc,int num)
	{
		if(l==r)
		{
			p[now].Max=max(p[now].Max,num);
			return ;
		}
		int mid=(l+r)>>1;
		if(loc<=mid)
			update(now<<1,l,mid,loc,num);
		else
			update(now<<1|1,mid+1,r,loc,num);
		pushup(now);
	}
	int query(int now,int l,int r,int nl,int nr)
	{
		if(l<=nl and nr<=r)
			return p[now].Max;
		int mid=(nl+nr)>>1,ans=-0x7fffffff;
		if(l<=mid)
			ans=max(ans,query(now<<1,l,r,nl,mid));
		if(mid<r)
			ans=max(ans,query(now<<1|1,l,r,mid+1,nr));
		return ans;
	}
}T;

int n;
signed main()
{
	scanf("%lld",&n);
	int in;
	for(int i=1;i<=n;i++)
	{
		scanf("%lld",&p[i].t);
		p[i].l=i-p[i].t;
		p[i].r=i+p[i].t;
		p[i].rk=i;
	}
	for(int i=1;i<=n;i++)
	{
		scanf("%lld",&in);
		p[i].s=p[i].t*in;
		p2[i]=p[i];
	}
	sort(p+1,p+1+n,[](node A,node B){return A.r<B.r;});
	int ans=0,now=1;
	
	for(int i=1;i<=n;i++)
	{
		while(now<=n and p[now].r<=i)
			T.update(1,1,n,p[now].rk,dp[p[now].rk]),now++;
		if(p2[i].l<=0)
			dp[i]=p2[i].s;
		else
		{
			dp[i]=p2[i].s+T.query(1,1,p2[i].l,1,n);
		}
		ans=max(ans,dp[i]);
	}
	printf("%lld",ans);
}

详细

小提示:点击横条可展开更详细的信息

Test #1:

score: 5
Accepted
time: 0ms
memory: 1232kb

input:

5
5 3 5 5 1
480208416 560202151 230193932 182093570 999846296

output:

2680452749

result:

ok single line: '2680452749'

Test #2:

score: 5
Accepted
time: 0ms
memory: 1216kb

input:

10
3 2 9 3 4 1 4 7 1 8
32905395 72720216 54089340 289875333 847413895 598817637 206111130 144722879 ...

output:

4191763507

result:

ok single line: '4191763507'

Test #3:

score: 5
Accepted
time: 0ms
memory: 1228kb

input:

15
9 2 13 7 2 4 10 4 2 3 3 1 2 2 2
860947809 695835339 13996045 709112244 119816376 441006970 575090...

output:

10490468135

result:

ok single line: '10490468135'

Test #4:

score: 5
Accepted
time: 0ms
memory: 1232kb

input:

20
2 10 15 4 7 1 2 2 7 3 17 6 4 4 5 4 4 4 2 1
457301510 838843149 408120703 43551970 387080784 10169...

output:

11883246598

result:

ok single line: '11883246598'

Test #5:

score: 5
Accepted
time: 0ms
memory: 1336kb

input:

1000
103 2 2 13 4 5 183 175 29 1 675 1 199 195 1 8 7 19 1 945 4 6 574 8 1 13 2 16 2 40 175 33 2 3 35...

output:

1162897804752

result:

ok single line: '1162897804752'

Test #6:

score: 5
Accepted
time: 0ms
memory: 1436kb

input:

2000
1252 2 2 3 189 1847 22 114 7 48 15 157 1160 1419 10 31 76 114 2 369 2 5 1 460 63 1 8 1130 63 17...

output:

2771903520915

result:

ok single line: '2771903520915'

Test #7:

score: 5
Accepted
time: 0ms
memory: 1784kb

input:

5000
4842 6 3352 7 318 163 170 1 4325 378 15 2 1289 1 2 7 946 12 1945 1 9 9 255 4 4543 8 3006 28 2 3...

output:

7861941062084

result:

ok single line: '7861941062084'

Test #8:

score: 5
Accepted
time: 6ms
memory: 2348kb

input:

10000
87 8310 1 21 9174 12 1524 1 1 457 1 1380 9929 121 2 3846 4 4 41 6282 9 8 445 807 362 32 8986 8...

output:

17334962387424

result:

ok single line: '17334962387424'

Test #9:

score: 5
Accepted
time: 12ms
memory: 4328kb

input:

30000
79 110 19001 3892 137 20285 2 104 167 12458 29 12 1 7544 35 18127 147 21 2712 29763 868 24597 ...

output:

51316652640940

result:

ok single line: '51316652640940'

Test #10:

score: 5
Accepted
time: 44ms
memory: 6556kb

input:

50000
1547 1187 141 27 15818 12251 7271 29 2 8 13 2 3818 398 8167 17161 14 16962 6760 540 8784 7 240...

output:

88026787637620

result:

ok single line: '88026787637620'

Test #11:

score: 5
Accepted
time: 70ms
memory: 11872kb

input:

100000
9736 5862 1 2099 11612 21 24021 14624 446 396 81 2 1899 49526 781 69432 7 10177 1320 124 471 ...

output:

180410914037070

result:

ok single line: '180410914037070'

Test #12:

score: 5
Accepted
time: 209ms
memory: 22512kb

input:

200000
1412 5 2 13253 1 1 1 185647 47 1 507 150635 376 7 74 47462 53 4 5411 3 5154 130 19 265 8 185 ...

output:

376348758470573

result:

ok single line: '376348758470573'

Test #13:

score: 5
Accepted
time: 483ms
memory: 52392kb

input:

500000
383 119 2 1429 1026 29 301750 117 28940 26 375666 2347 249 62156 74903 8 22 2670 430211 140 3...

output:

959624672322043

result:

ok single line: '959624672322043'

Test #14:

score: 5
Accepted
time: 498ms
memory: 86368kb

input:

800000
886 1 403044 156168 25247 19 6686 1935 1483 338 2 7 26 6 84 62996 2 1 4 21109 41190 9828 7294...

output:

1542878834606328

result:

ok single line: '1542878834606328'

Test #15:

score: 5
Accepted
time: 576ms
memory: 103548kb

input:

1000000
237 426 2208 4 36156 454152 1 48361 76425 46521 3 684890 41403 32 274 7077 53 20 6 4 191644 ...

output:

1908394076801355

result:

ok single line: '1908394076801355'

Test #16:

score: 5
Accepted
time: 614ms
memory: 103544kb

input:

1000000
60 188620 109 225192 99984 137997 442 75 6451 26437 72089 45937 92 2011 49603 10 613 30841 7...

output:

1915598573008513

result:

ok single line: '1915598573008513'

Test #17:

score: 5
Accepted
time: 37ms
memory: 11868kb

input:

100000
314 314 314 314 314 314 314 314 314 314 314 314 314 314 314 314 314 314 314 314 314 314 314 3...

output:

94625535409026

result:

ok single line: '94625535409026'

Test #18:

score: 5
Accepted
time: 36ms
memory: 11832kb

input:

100000
2050 2050 2050 2050 2050 2050 2050 2050 2050 2050 2050 2050 2050 2050 2050 2050 2050 2050 205...

output:

99469079815450

result:

ok single line: '99469079815450'

Test #19:

score: 5
Accepted
time: 538ms
memory: 103536kb

input:

1000000
1003 1003 1003 1003 1003 1003 1003 1003 1003 1003 1003 1003 1003 1003 1003 1003 1003 1003 10...

output:

969470905350325

result:

ok single line: '969470905350325'

Test #20:

score: 5
Accepted
time: 843ms
memory: 103320kb

input:

1000000
15023 15023 15023 15023 15023 15023 15023 15023 15023 15023 15023 15023 15023 15023 15023 15...

output:

1003927881833136

result:

ok single line: '1003927881833136'

Extra Test:

score: 0
Extra Test Passed