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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
#395760#7072. Photographsuibian_xiaozhaoWA 1ms9852kbC++232.4kb2024-04-21 18:14:292024-04-21 18:14:29

Judging History

你现在查看的是最新测评结果

  • [2024-04-21 18:14:29]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:9852kb
  • [2024-04-21 18:14:29]
  • 提交

answer

//
// Created by DELLPC on 24-4-21.
//
#include<bits/stdc++.h>
using namespace std;
#define irep(i, l, r) for(int i = l; i <= r; ++ i)
#define drep(i, r, l) for(int i = r; i >= l; -- i)
const int N = 500000 +7;
const int mod = 1000000000 + 7;
#define ll long long
#define LD double

int n, q, st;

ll p[N], h[N];
int fa[N], nxt[N], fs[N];

int find(int x){
    if(fa[x] == x)return x;
    fa[x] = find(fa[x]);
    return fa[x];
}

void merge(int x, int y){
    if(x < 0 || y < 0)return;
    x = find(x), y = find(y);
    if(fs[x] > fs[y])swap(x, y);
    nxt[x] = nxt[y];
    fa[y] = x;
}

ll val(int x){
    x = find(x);
    if(nxt[x] == n)return 0;
    return (h[fs[x]] - h[nxt[x]]) * (h[fs[x]] - h[nxt[x]]);
}

void solve(){
    //n, q;
    cin >> n >> q;
    ll base = 0, lastans = 0, sum = 0;

    irep(i, 0, n - 1){
        cin >> h[i];

    }

    irep(i, 0, n - 1){
        cin >> p[i];
        p[i] --;
    }
    irep(i, 0, n - 2){
        base += (h[i] - h[i + 1]) * (h[i] - h[i + 1]);
    }
//    lastans = base;
    sum = base;

    irep(i, 0, n - 1){
        fa[i] = i;
        nxt[i] = i + 1, fs[i] = i;
    }

    for(int i = st - 1;;){
        if(i == -1)i += n;
        lastans += sum;
//        cerr << sum << ' ';
        sum -= val(p[i]);
        if(p[i])sum -= val(p[i] - 1);
        if(p[i])merge(p[i] - 1, p[i]);

        if(p[i])sum += val(p[i]);

        i = (i - 1 + n) % n;
        if((i + 1) % n == (st))break;
    }
//    cerr << endl;

    cout << lastans << '\n';

    while(q --){
        irep(i, 0, n - 1){
            fa[i] = i;
            nxt[i] = i + 1, fs[i] = i;
        }
//        sum = base;
        int k0;
        cin >> k0;
        k0 += lastans;
        st = (st + k0) % n;
        lastans = 0;
        sum = base;
//        cerr << st << endl;
        for(int i = st - 1;;){
            lastans += sum;
//            cerr << sum << ' ';
            if(i == -1)i += n;
            sum -= val(p[i]);
            if(p[i])sum -= val(p[i] - 1);
            if(p[i])merge(p[i] - 1, p[i]);
            if(p[i])sum += val(p[i]);
            i = (i - 1 + n) % n;
            if((i + 1) % n == (st))break;
        }
        cout << lastans << '\n';
    }
}

int main(){
    int T = 1;
//    cin >> T;
    while(T --){
        solve();
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 9780kb

input:

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

output:

10
10
13
21
36

result:

ok 5 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 9852kb

input:

1 100
9139
1
815121916
455099013
31761433
46418945
11466871
709189476
658667824
977821005
511405192
843598992
501074199
638564514
680433292
994431111
584582554
452689372
642414314
863578235
135133204
438404803
67246919
492858783
447116205
723252212
948645336
191050463
326944894
685212650
828613990
1...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

ok 101 lines

Test #3:

score: 0
Accepted
time: 0ms
memory: 7724kb

input:

2 100
9859 8096
2 1
692572036
546897526
810778144
630776743
411450468
47253421
344401774
898201838
853758724
613913038
441359030
921437570
855535818
106915566
108572797
533697405
315571976
503278469
849317884
327448764
867873746
718830950
808828124
547579134
751502930
595486247
629024078
79153124
34...

output:

3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108169
3108...

result:

ok 101 lines

Test #4:

score: 0
Accepted
time: 0ms
memory: 5628kb

input:

3 100
5987 4237 8891
3 1 2
760669141
361439344
393719043
515372386
379329282
704177992
446687639
688441074
939269095
570763162
492018656
161714447
596461367
384092911
304150759
54574629
350079205
804917425
296791887
311704304
120533843
281070757
787668201
311851357
243944555
860970785
463288414
9962...

output:

33155432
33155432
33155432
46381932
33155432
46381932
33155432
27784716
27784716
46381932
33155432
27784716
33155432
27784716
46381932
33155432
46381932
33155432
33155432
46381932
27784716
33155432
33155432
46381932
33155432
27784716
33155432
33155432
46381932
46381932
46381932
46381932
46381932
277...

result:

ok 101 lines

Test #5:

score: -100
Wrong Answer
time: 0ms
memory: 7680kb

input:

4 100
9411 3081 2149 9907
2 4 1 3
890272966
654059361
166090080
333233666
911989359
541813943
232020213
717913040
277628991
24281180
424608385
453986387
234435555
940076771
584737344
285922050
322027160
55417534
219258279
944530197
902531317
204963356
159347669
59389769
496952588
412286058
62840111
...

output:

234381540
194798256
175715644
175715644
214293312
234381540
175715644
234381540
234381540
175715644
175715644
234381540
175715644
194798256
214293312
214293312
175715644
175715644
214293312
234381540
214293312
194798256
194798256
175715644
234381540
234381540
194798256
214293312
194798256
234381540
...

result:

wrong answer 3rd lines differ - expected: '163047900', found: '175715644'