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Submission #520492

# Submission time Handle Problem Language Result Execution time Memory
520492 2022-01-30T07:23:05 Z krit3379 Rice Hub (IOI11_ricehub) C++17
100 / 100
 18 ms 2512 KB 
#include<bits/stdc++.h>
using namespace std;

long long qs[100005],l,r,mid,new_mid,new_val,ans;

int besthub(int n, int m, int x[100005], long long b){
    int i;
    for(i=n;i>0;i--)x[i]=x[i-1];
    x[0]=0;
    for(i=1;i<=n;i++)qs[i]=qs[i-1]+x[i];
    l=1,r=1,mid=1;
    for(l=1;l<=n;l++){
        while(1){
            if(r==n)break;
            new_mid=(l+r+1)/2;
            new_val=x[new_mid]*(new_mid-l)-qs[new_mid-1]+qs[l-1]+qs[r+1]-qs[new_mid]-x[new_mid]*(r+1-new_mid);
            if(new_val<=b)mid=new_mid,r++;
            else break;
        }
        ans=max(ans,r-l+1);
    }
    return ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 296 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

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 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 1 ms 204 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 304 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 296 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 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 332 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 296 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 296 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 304 KB Output is correct
22 Correct 1 ms 308 KB Output is correct
23 Correct 1 ms 292 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 332 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 612 KB Output is correct
2 Correct 3 ms 588 KB Output is correct
3 Correct 13 ms 2424 KB Output is correct
4 Correct 12 ms 2420 KB Output is correct
5 Correct 5 ms 1160 KB Output is correct
6 Correct 5 ms 1204 KB Output is correct
7 Correct 10 ms 2204 KB Output is correct
8 Correct 12 ms 2124 KB Output is correct
9 Correct 5 ms 1092 KB Output is correct
10 Correct 5 ms 1076 KB Output is correct
11 Correct 18 ms 2500 KB Output is correct
12 Correct 13 ms 2440 KB Output is correct
13 Correct 6 ms 1232 KB Output is correct
14 Correct 5 ms 1208 KB Output is correct
15 Correct 9 ms 1884 KB Output is correct
16 Correct 10 ms 1868 KB Output is correct
17 Correct 11 ms 2252 KB Output is correct
18 Correct 12 ms 2280 KB Output is correct
19 Correct 13 ms 2512 KB Output is correct
20 Correct 13 ms 2388 KB Output is correct