oj.uz

Submission #111807

# Submission time Handle Problem Language Result Execution time Memory
111807 2019-05-16T08:23:18 Z Mercenary Rice Hub (IOI11_ricehub) C++14
100 / 100
 33 ms 1792 KB 
#include "ricehub.h"
#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
const int maxn = 1e5 + 5;
int a[maxn];
#ifndef LOCAL
#define cerr if(0)cout
#endif // LOCAL
bool Chk(int X[] , int R , ll B , int ask){
    int l = 0 , h = ask - 1;
    ll sum = 0;
    ll suml = 0;
    for(int i = 0 ; i < ask ; ++i){
        sum += X[i];
        if(i <= (l + h) / 2)suml += X[i];
    }
    while(true){
        cerr << ask << " " << sum << " " << suml << endl;
        if((ask % 2) * (ll)X[(l + h) / 2] + sum - 2 * suml <= B)return 1;
        if(h == R - 1)break;
        sum += -X[l] + X[h + 1];
        suml += -X[l] + X[(l + h) / 2 + 1];
        ++l;++h;
    }
    return 0;
}

int besthub(int R, int L, int X[], long long B)
{
    int l = 1;
    int h = R;
    while(l <= h){
        ll mid = l + h >> 1;
        if(Chk(X , R , B , mid))l = mid + 1;
        else h = mid - 1;
    }
//    cerr << Chk(X,R,B,4);
    return h;
}

Compilation message

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:35:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         ll mid = l + h >> 1;
                  ~~^~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 256 KB Output is correct
16 Correct 3 ms 256 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 2 ms 512 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 2 ms 384 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 432 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 408 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 7 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 4 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct
25 Correct 4 ms 384 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 3 ms 384 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 8 ms 384 KB Output is correct
3 Correct 17 ms 692 KB Output is correct
4 Correct 22 ms 1784 KB Output is correct
5 Correct 14 ms 912 KB Output is correct
6 Correct 11 ms 896 KB Output is correct
7 Correct 14 ms 1536 KB Output is correct
8 Correct 15 ms 1536 KB Output is correct
9 Correct 9 ms 768 KB Output is correct
10 Correct 9 ms 768 KB Output is correct
11 Correct 19 ms 1792 KB Output is correct
12 Correct 33 ms 1792 KB Output is correct
13 Correct 13 ms 896 KB Output is correct
14 Correct 17 ms 888 KB Output is correct
15 Correct 17 ms 1408 KB Output is correct
16 Correct 20 ms 1408 KB Output is correct
17 Correct 23 ms 1664 KB Output is correct
18 Correct 19 ms 1664 KB Output is correct
19 Correct 27 ms 1664 KB Output is correct
20 Correct 21 ms 1664 KB Output is correct