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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
#498017#8712. Flooding WallSirPh#25 1ms4000kbC++203.7kb2024-07-29 21:48:482024-07-29 21:48:49

Judging History

This is the latest submission verdict.

  • [2024-07-29 21:48:49]
  • Judged
  • Verdict: 25
  • Time: 1ms
  • Memory: 4000kb
  • [2024-07-29 21:48:48]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
const int mod=(int)1e9+7;
vector<vector<int>>dpl;
vector<vector<int>>dpr;
int getsuml(int i,int l,int r)
{
    int x=(dpl[i][r]-dpl[i][l-1]+mod);
    if(x>=mod)x-=mod;
    return x;
}
int getsumr(int i,int l,int r)
{
    int x=(dpr[i][r]-dpr[i][l-1]+mod);
    if(x>=mod)x-=mod;
    return x;
}
signed main()
{
    int n;
    cin>>n;
    vector<int>arr(n+1);
    vector<int>brr(n+1);
    for(int i=1;i<=n;i++)cin>>arr[i];
    for(int i=1;i<=n;i++)cin>>brr[i];
    vector<int>hi;
    for(auto i:arr)hi.push_back(i);
    for(auto i:brr)hi.push_back(i);
    sort(hi.begin(),hi.end());
    int a7a=*max_element(arr.begin(),arr.end());
    a7a=max(a7a,*max_element(brr.begin(),brr.end()));
    a7a=lower_bound(hi.begin(),hi.end(),a7a)-hi.begin();
    dpl.resize(n+3);
    dpr.resize(n+3);
    for(int i=0;i<=n+1;i++)
    {
        dpl[i].resize(a7a+3);
        dpr[i].resize(a7a+3);
    }
    int ans=0;
    // cout<<dpl.size();
    // return 0;
    dpl[0][0]=1;
    for(int i=1;i<=n;i++)arr[i]=lower_bound(hi.begin(),hi.end(),arr[i])-hi.begin(),brr[i]=lower_bound(hi.begin(),hi.end(),brr[i])-hi.begin();
    for(int i=1;i<=n;i++)
    {
        for(int j=arr[i];j>=0;j--)
        {
            if(dpl[i-1][j]==0)continue;
            dpl[i][arr[i]]+=dpl[i-1][j];
            dpl[i][arr[i]]%=mod;
        }
        for(int j=arr[i]+1;j<=a7a;j++)
        {
            if(dpl[i-1][j]==0)continue;
            dpl[i][j]+=dpl[i-1][j];
            dpl[i][j]%=mod;
        }
        for(int j=brr[i];j>=0;j--)
        {
            if(dpl[i-1][j]==0)continue;
            dpl[i][brr[i]]+=dpl[i-1][j];
            dpl[i][brr[i]]%=mod;
        }
        for(int j=brr[i]+1;j<=a7a;j++)
        {
            if(dpl[i-1][j]==0)continue;
            dpl[i][j]+=dpl[i-1][j];
            dpl[i][j]%=mod;
        }
    }
    dpr[n+1][0]=1;
    for(int i=n;i>=1;i--)
    {
        for(int j=arr[i];j>=0;j--)
        {
            if(dpr[i+1][j]==0)continue;
            dpr[i][arr[i]]+=dpr[i+1][j];
            dpr[i][arr[i]]%=mod;
        }
        for(int j=arr[i]+1;j<=a7a;j++)
        {
            if(dpr[i+1][j]==0)continue;
            dpr[i][j]+=dpr[i+1][j];
            dpr[i][j]%=mod;
        }
        for(int j=brr[i];j>=0;j--)
        {
            if(dpr[i+1][j]==0)continue;
            dpr[i][brr[i]]+=dpr[i+1][j];
            dpr[i][brr[i]]%=mod;
        }
        for(int j=brr[i]+1;j<=a7a;j++)
        {
            if(dpr[i+1][j]==0)continue;
            dpr[i][j]+=dpr[i+1][j];
            dpr[i][j]%=mod;
        }
    }
    // cout<<ans<<endl;
    for(int i=0;i<=n+1;i++)
        for(int j=1;j<=a7a;j++){
        dpl[i][j]+=dpl[i][j-1];
        if(dpl[i][j]>=mod)
        dpl[i][j]-=mod;
        dpr[i][j]+=dpr[i][j-1];
        if(dpr[i][j]>=mod)
        dpr[i][j]-=mod;
    }
    for(int i=1;i<=n;i++)
    {
        for(int j=arr[i];j<=a7a;j++)
        {
            long long x=getsuml(i-1,j,j);
            x*=getsumr(i+1,j,a7a);
            x%=mod;
            ans+=((hi[j]-hi[arr[i]])*x)%mod;
            if(ans>=mod)ans-=mod;
            x=getsumr(i+1,j,j);
            x*=getsuml(i-1,j+1,a7a);
            x%=mod;
            ans+=((hi[j]-hi[arr[i]])*x)%mod;
            if(ans>=mod)ans-=mod;
        }
        for(int j=brr[i];j<=a7a;j++)
        {
            long long x=getsuml(i-1,j,j);
            x*=getsumr(i+1,j,a7a);
            x%=mod;
            ans+=((hi[j]-hi[brr[i]])*x)%mod;
            if(ans>=mod)ans-=mod;
            x=getsumr(i+1,j,j);
            x*=getsuml(i-1,j+1,a7a);
            x%=mod;
            ans+=((hi[j]-hi[brr[i]])*x)%mod;
            if(ans>=mod)ans-=mod;
        }
    }       
    cout<<ans<<endl;
}

詳細信息

Subtask #1:

score: 8
Accepted

Test #1:

score: 8
Accepted
time: 0ms
memory: 3640kb

input:

4
1 1 1 1
2 2 2 2

output:

6

result:

ok single line: '6'

Test #2:

score: 8
Accepted
time: 0ms
memory: 3552kb

input:

10
1 2 3 4 5 6 7 8 9 10
10 9 8 7 6 5 4 3 2 1

output:

21116

result:

ok single line: '21116'

Test #3:

score: 8
Accepted
time: 0ms
memory: 3596kb

input:

1
1
2

output:

0

result:

ok single line: '0'

Test #4:

score: 8
Accepted
time: 0ms
memory: 3540kb

input:

2
1 1
2 2

output:

0

result:

ok single line: '0'

Test #5:

score: 8
Accepted
time: 0ms
memory: 3540kb

input:

3
1 1 1
2 2 2

output:

1

result:

ok single line: '1'

Test #6:

score: 8
Accepted
time: 0ms
memory: 3600kb

input:

3
1 1 1
3 2 3

output:

3

result:

ok single line: '3'

Test #7:

score: 8
Accepted
time: 0ms
memory: 3640kb

input:

3
2 1 1
3 2 3

output:

4

result:

ok single line: '4'

Test #8:

score: 8
Accepted
time: 0ms
memory: 3556kb

input:

3
1 1 2
3 2 3

output:

4

result:

ok single line: '4'

Test #9:

score: 8
Accepted
time: 0ms
memory: 3640kb

input:

4
1 1 2 2
2 2 1 1

output:

6

result:

ok single line: '6'

Test #10:

score: 8
Accepted
time: 0ms
memory: 3540kb

input:

3
1 4 4
3 1 1

output:

2

result:

ok single line: '2'

Test #11:

score: 8
Accepted
time: 0ms
memory: 3612kb

input:

20
801072306 297281669 94099424 745640358 822582129 579751930 776707816 425952653 529794053 256263083 615445445 401366545 990263003 967996508 788867983 916880116 837997768 346996508 623409388 122077161
141734988 448434751 822901346 825591177 388082644 468025968 260356829 1164654 537396602 730502935 ...

output:

840988190

result:

ok single line: '840988190'

Test #12:

score: 8
Accepted
time: 0ms
memory: 3620kb

input:

15
792312195 195812430 401437979 703756992 502275277 612055402 556065888 470806179 556125857 640437896 240743729 861383776 500299988 911972088 161499505
167335533 694282920 379241393 144223073 973249939 83979787 962250505 359871412 130233016 655843497 928153117 542969567 974346871 369758881 962874102

output:

617169726

result:

ok single line: '617169726'

Test #13:

score: 8
Accepted
time: 0ms
memory: 3496kb

input:

20
1 1 2 1 1 1 2 2 2 2 2 1 1 1 1 2 2 1 2 1
2 2 1 2 2 2 1 1 1 1 1 2 2 2 2 1 1 2 1 2

output:

8388630

result:

ok single line: '8388630'

Test #14:

score: 8
Accepted
time: 0ms
memory: 3772kb

input:

15
2 1 1 2 1 2 2 1 2 1 2 1 2 2 1
1 2 2 1 2 1 1 2 1 2 1 2 1 1 2

output:

180241

result:

ok single line: '180241'

Test #15:

score: 8
Accepted
time: 0ms
memory: 3812kb

input:

20
10 3 8 2 5 7 8 3 3 10 5 6 1 2 1 9 10 2 7 10
6 6 2 3 6 10 4 6 7 2 3 3 5 7 2 8 2 1 5 1

output:

78020608

result:

ok single line: '78020608'

Test #16:

score: 8
Accepted
time: 0ms
memory: 3856kb

input:

20
999999992 999999995 999999995 999999998 999999994 999999996 999999992 1000000000 1000000000 999999997 999999999 999999994 999999998 999999992 999999999 1000000000 999999993 999999999 999999996 999999998
999999998 999999998 999999996 999999993 999999996 999999997 1000000000 999999995 999999994 999...

output:

44474368

result:

ok single line: '44474368'

Test #17:

score: 8
Accepted
time: 0ms
memory: 3516kb

input:

20
999999996 10 6 5 4 1 7 9 5 10 1 4 6 3 10 5 3 10 4 999999997
999999997 4 10 7 5 6 2 2 2 7 2 7 3 5 7 1 8 9 2 1000000000

output:

701155847

result:

ok single line: '701155847'

Test #18:

score: 8
Accepted
time: 0ms
memory: 3616kb

input:

11
1 4 2 1 10 6 3 10 1 10 10
6 8 8 7 1 1 1 9 7 9 3

output:

56064

result:

ok single line: '56064'

Test #19:

score: 8
Accepted
time: 0ms
memory: 3608kb

input:

13
999999992 999999993 999999999 999999998 999999994 999999998 999999991 999999991 999999999 999999996 999999994 999999991 999999994
999999994 999999991 999999994 999999997 999999997 1000000000 999999996 999999993 999999992 999999992 999999992 999999998 999999991

output:

184256

result:

ok single line: '184256'

Test #20:

score: 8
Accepted
time: 0ms
memory: 3856kb

input:

17
1000000000 6 4 10 10 4 2 4 10 2 7 1 3 8 4 1 999999996
999999997 3 6 4 3 6 5 10 5 7 6 10 10 7 10 3 999999997

output:

968149511

result:

ok single line: '968149511'

Test #21:

score: 8
Accepted
time: 0ms
memory: 3612kb

input:

20
5 900000001 800000002 700000003 600000004 500000005 10 5 1 100000009 10 3 2 300000007 8 500000005 3 3 800000002 2
1000000000 3 6 6 10 4 400000006 300000007 200000008 1 1 100000009 200000008 5 400000006 4 600000004 700000003 2 900000001

output:

681216662

result:

ok single line: '681216662'

Test #22:

score: 8
Accepted
time: 0ms
memory: 3476kb

input:

19
1000000000 2 777777778 7 555555556 444444445 333333334 222222223 6 4 111111112 222222223 8 444444445 555555556 6 10 888888889 1000000000
3 888888889 3 666666667 6 8 7 10 111111112 1 5 4 333333334 3 4 666666667 777777778 7 4

output:

608096464

result:

ok single line: '608096464'

Subtask #2:

score: 17
Accepted

Test #23:

score: 17
Accepted
time: 0ms
memory: 3776kb

input:

100
948 425 211 688 416 81 356 602 712 954 117 522 797 75 281 491 662 669 78 156 939 526 929 937 916 619 166 777 48 898 449 278 298 714 668 755 679 38 389 602 195 135 672 833 655 541 473 27 596 274 351 353 598 993 837 246 950 99 179 751 481 843 550 195 964 279 806 82 330 599 124 756 649 838 513 625 ...

output:

164439470

result:

ok single line: '164439470'

Test #24:

score: 17
Accepted
time: 0ms
memory: 3656kb

input:

99
426 562 392 187 480 118 86 459 941 159 104 108 323 616 104 679 464 929 60 387 335 298 540 352 520 152 76 233 69 50 422 839 236 113 79 782 44 253 791 857 393 767 297 267 23 523 274 514 489 58 217 361 408 753 990 491 787 529 759 351 668 348 811 737 764 672 471 115 815 701 604 348 708 512 227 707 20...

output:

295469554

result:

ok single line: '295469554'

Test #25:

score: 17
Accepted
time: 1ms
memory: 3860kb

input:

100
2 1 1 2 2 2 2 1 2 2 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 1 2 1 1 2 1 2 2 1 2 2 2 1 1 1 1 2 2 2 2 2 2 2 1 2 1 1 1 1 2 2 2 2 2 2 1 2 1 2 1 2 2 1 1 2 2 1 1 2 1 2 2 2 1 1 1 1 1 1 2 2 1 2 1 1 2 1 1 1 2 1 1 2 2 1
1 2 2 1 1 1 1 2 1 1 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 2 1 2 2 1 2 1 1 2 1 1 1 2 2 2 2 1 1 1 1 1 1 1 ...

output:

865821460

result:

ok single line: '865821460'

Test #26:

score: 17
Accepted
time: 1ms
memory: 3636kb

input:

97
2 1 2 1 1 1 2 2 2 1 2 1 2 1 2 2 1 1 2 1 1 1 1 2 2 2 1 1 1 2 1 2 2 2 1 1 1 1 2 2 1 1 1 1 1 1 1 1 2 2 1 2 2 1 1 1 2 1 2 2 2 2 2 1 2 1 1 2 1 1 2 2 2 2 1 2 2 1 1 1 1 2 1 2 2 2 1 1 2 2 1 1 2 2 1 2 2
1 2 1 2 2 2 1 1 1 2 1 2 1 2 1 1 2 2 1 2 2 2 2 1 1 1 2 2 2 1 2 1 1 1 2 2 2 2 1 1 2 2 2 2 2 2 2 2 1 1 2 1...

output:

237658155

result:

ok single line: '237658155'

Test #27:

score: 17
Accepted
time: 1ms
memory: 3760kb

input:

100
2 7 7 7 10 10 5 3 8 7 4 4 3 3 9 9 3 4 10 10 2 2 8 6 8 5 8 5 6 5 9 7 9 4 9 4 2 6 4 7 8 8 1 4 2 4 5 3 6 8 2 5 6 1 4 10 10 1 8 7 4 9 2 8 9 5 7 8 9 8 3 5 4 7 6 3 3 1 9 4 1 4 9 1 10 3 3 9 10 7 7 8 5 8 4 10 8 4 1 4
6 8 5 8 9 2 9 9 7 3 10 1 4 10 7 1 4 1 6 8 5 7 7 7 9 3 2 3 1 9 7 2 6 5 7 9 10 1 8 1 2 6 ...

output:

12245240

result:

ok single line: '12245240'

Test #28:

score: 17
Accepted
time: 1ms
memory: 4000kb

input:

100
996 996 998 996 997 996 995 998 991 996 997 1000 992 1000 995 999 1000 999 998 992 995 998 994 996 994 994 995 1000 992 992 1000 994 993 999 997 997 997 1000 991 994 995 999 1000 999 994 992 997 992 999 992 992 1000 999 996 995 992 999 993 997 993 992 997 991 992 992 995 992 994 998 1000 998 100...

output:

699955927

result:

ok single line: '699955927'

Test #29:

score: 17
Accepted
time: 1ms
memory: 3776kb

input:

100
991 6 5 1 8 3 10 10 7 2 8 10 4 9 6 8 1 2 9 6 7 8 8 1 9 5 8 2 5 2 6 1 8 9 9 1 5 9 2 7 8 6 10 8 1 10 3 4 5 5 5 1 1 4 5 7 7 7 3 7 8 4 7 4 4 10 3 1 4 7 7 6 4 3 3 4 4 1 4 9 3 7 9 5 4 3 3 5 7 7 8 10 3 6 4 10 4 5 3 991
994 1 8 5 1 5 7 3 3 4 3 1 6 2 1 4 10 5 8 8 5 7 9 6 4 2 9 3 2 4 3 8 7 1 4 7 9 7 1 4 7...

output:

823274616

result:

ok single line: '823274616'

Test #30:

score: 17
Accepted
time: 1ms
memory: 3988kb

input:

95
3 1 9 8 2 3 7 1 9 9 10 1 1 10 10 9 9 2 4 9 6 7 10 2 8 8 2 4 7 4 9 4 2 10 1 6 1 8 9 5 2 4 1 9 3 1 10 4 10 4 3 7 1 7 9 2 10 2 5 5 4 8 4 7 8 8 2 7 3 3 9 3 9 10 5 3 2 7 10 3 10 9 1 1 1 9 7 10 2 6 5 7 10 7 10
5 7 4 3 9 9 9 4 10 1 6 5 7 6 9 3 10 3 3 3 9 2 5 5 10 10 7 8 2 7 5 5 6 6 6 10 5 6 5 6 4 10 2 8...

output:

39455183

result:

ok single line: '39455183'

Test #31:

score: 17
Accepted
time: 1ms
memory: 3728kb

input:

99
991 1000 999 997 991 997 991 998 993 993 991 997 998 998 993 991 995 999 1000 995 994 991 994 998 1000 995 997 995 996 998 997 994 997 997 993 993 999 993 998 997 998 994 998 999 998 992 991 996 1000 1000 995 994 997 997 1000 995 993 996 994 993 996 997 991 991 993 992 996 1000 994 1000 993 998 9...

output:

177632228

result:

ok single line: '177632228'

Test #32:

score: 17
Accepted
time: 1ms
memory: 3752kb

input:

93
998 9 4 6 6 3 7 6 6 2 3 1 1 4 3 4 3 10 1 7 6 6 7 2 1 6 2 7 5 10 10 5 3 6 9 3 7 8 2 4 2 5 8 4 9 8 9 6 6 10 9 8 5 9 6 7 8 6 10 4 3 4 2 10 3 6 6 3 3 7 1 5 8 8 2 4 3 6 5 4 4 9 2 4 4 10 10 5 3 4 6 5 998
991 3 7 1 2 7 4 4 7 4 8 3 7 7 6 6 1 8 3 8 2 4 9 7 2 1 6 8 4 6 1 9 6 2 8 8 5 1 5 1 6 1 2 8 1 7 7 10 ...

output:

19480584

result:

ok single line: '19480584'

Test #33:

score: 17
Accepted
time: 1ms
memory: 3776kb

input:

100
8 4 962 943 7 905 886 867 848 4 810 9 772 1 10 9 8 677 658 639 2 601 6 563 544 1 506 487 3 5 3 1 392 5 354 335 316 297 10 259 240 221 5 183 164 10 126 10 9 9 50 69 88 3 126 145 164 1 202 6 8 9 8 1 316 335 354 6 3 411 5 9 468 487 506 10 544 2 582 601 620 6 658 677 8 715 8 2 4 2 7 4 7 2 886 905 9 ...

output:

224554505

result:

ok single line: '224554505'

Test #34:

score: 17
Accepted
time: 0ms
memory: 3644kb

input:

97
8 980 2 940 920 900 880 8 5 820 5 2 7 740 5 700 9 8 640 4 8 8 3 540 520 500 7 460 7 420 9 380 10 3 6 300 280 7 240 220 200 180 10 140 4 3 80 60 7 60 10 1 7 140 160 5 200 4 10 2 280 1 3 10 360 5 400 7 9 1 480 7 520 8 560 9 8 620 640 5 680 700 720 6 7 780 1 9 3 4 9 8 920 940 960 7 9
1000 8 960 3 4 ...

output:

11356755

result:

ok single line: '11356755'

Subtask #3:

score: 0
Memory Limit Exceeded

Dependency #2:

100%
Accepted

Test #35:

score: 0
Memory Limit Exceeded

input:

10000
723 904 141 407 718 128 268 838 287 173 507 490 602 335 475 954 785 148 163 452 709 394 16 817 80 850 830 464 419 833 306 591 731 966 380 514 365 563 290 58 620 883 384 413 312 996 203 57 954 951 996 176 352 789 531 233 697 231 230 730 482 891 67 514 75 259 673 241 851 957 928 891 510 592 290 ...

output:

357364262

result:


Subtask #4:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

0%

Subtask #5:

score: 0
Memory Limit Exceeded

Test #57:

score: 0
Memory Limit Exceeded

input:

500000
1 1 1 1 2 2 2 1 1 1 1 1 2 2 1 1 2 2 2 2 1 2 1 1 2 1 1 1 1 2 1 2 2 1 1 2 2 2 1 1 2 2 2 2 1 2 2 2 2 1 2 2 2 1 2 2 2 1 2 2 2 2 2 2 2 2 1 1 2 1 2 1 2 2 1 2 2 2 2 2 2 2 1 1 1 2 2 2 1 1 2 1 2 2 1 2 2 1 2 2 2 1 2 2 2 2 2 2 2 2 1 1 1 2 1 2 1 1 2 1 2 1 2 2 1 1 2 1 1 1 1 1 2 2 2 2 2 2 1 2 2 1 1 2 1 2 1...

output:


result:


Subtask #6:

score: 0
Skipped

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

0%