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Submission #464294

# Submission time Handle Problem Language Result Execution time Memory
464294 2021-08-12T18:16:25 Z osmanallazov Fancy Fence (CEOI20_fancyfence) C++14
100 / 100
 117 ms 5392 KB 
#include <bits/stdc++.h>
#define DIM 100010
#define MOD 1000000007
using namespace std;
long long h[DIM],w[DIM];
deque<pair <long long,long long> > d;
int n,i;
int main (){
    cin>>n;
    for (i=1;i<=n;i++)
        cin>>h[i];
    for (i=1;i<=n;i++)
        cin>>w[i];
    n++; 
    d.push_back(make_pair(0,0));
    long long sol = 0;
    for (i=1;i<=n;i++){
        long long latime = 0;
        while (!d.empty() && h[i] < d.back().first){
            long long h_ant = max (h[i],d[d.size()-2].first);
            long long dif = (d.back().first - h_ant + MOD) % MOD;
            latime = (latime + d.back().second) % MOD;
            sol += ( dif * (dif + 1) / 2 % MOD + dif * h_ant % MOD) % MOD * (1LL * latime * (latime+1) / 2 % MOD) % MOD;
            sol %= MOD;
            d.pop_back();
        }
        w[i] = (w[i] + latime) % MOD;
        if (h[i] == d.back().first)
            d.back().second = (d.back().second + w[i]) % MOD;
        else d.push_back(make_pair(h[i],w[i]));
    }
    cout<<(sol+MOD)%MOD;
    return 0;
}

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 41 ms 1604 KB Output is correct
4 Correct 62 ms 2884 KB Output is correct
5 Correct 63 ms 2972 KB Output is correct
6 Correct 67 ms 2968 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 9 ms 632 KB Output is correct
3 Correct 44 ms 2020 KB Output is correct
4 Correct 94 ms 3808 KB Output is correct
5 Correct 92 ms 3780 KB Output is correct
6 Correct 0 ms 204 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 10 ms 588 KB Output is correct
4 Correct 46 ms 2000 KB Output is correct
5 Correct 88 ms 3776 KB Output is correct
6 Correct 114 ms 3840 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 10 ms 752 KB Output is correct
9 Correct 46 ms 2372 KB Output is correct
10 Correct 90 ms 5216 KB Output is correct
11 Correct 92 ms 5392 KB Output is correct
12 Correct 1 ms 204 KB Output is correct

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 308 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 204 KB Output is correct

Subtask #7
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 296 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 34 ms 1604 KB Output is correct
12 Correct 62 ms 2916 KB Output is correct
13 Correct 64 ms 2940 KB Output is correct
14 Correct 64 ms 2904 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 9 ms 588 KB Output is correct
17 Correct 45 ms 1988 KB Output is correct
18 Correct 90 ms 3784 KB Output is correct
19 Correct 117 ms 3864 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 10 ms 820 KB Output is correct
22 Correct 46 ms 2372 KB Output is correct
23 Correct 87 ms 5248 KB Output is correct
24 Correct 93 ms 5312 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 10 ms 588 KB Output is correct
31 Correct 10 ms 588 KB Output is correct
32 Correct 43 ms 1936 KB Output is correct
33 Correct 46 ms 2016 KB Output is correct
34 Correct 85 ms 3596 KB Output is correct
35 Correct 85 ms 3524 KB Output is correct
36 Correct 96 ms 3668 KB Output is correct
37 Correct 92 ms 3740 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 91 ms 3760 KB Output is correct
40 Correct 99 ms 3764 KB Output is correct
41 Correct 112 ms 3908 KB Output is correct
42 Correct 95 ms 4644 KB Output is correct