oj.uz

Submission #14307

# Submission time Handle Problem Language Result Execution time Memory
14307 2015-05-11T16:14:02 Z gs14004 Be Two Bees (OJUZ10_b2b) C++14
100 / 100
 159 ms 2644 KB 
#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
 
int n;
int h[100005], u[100005];
long long S;
 
double tmp[100005];
 
int r1, r2;
bool trial(double t){
    for (int i=0; i<n; i++) {
        tmp[i] = h[i] + t / u[i];
    }
    double ret = 0;
    auto *pt = max_element(tmp,tmp+n);
    ret += *pt;
    r1 = (int)(pt - tmp) + 1;
    *pt = -1e18;
    pt = max_element(tmp,tmp+n);
    ret += *pt;
    r2 = (int)(pt - tmp) + 1;
    return ret >= S;
}
 
int main(){
    scanf("%d",&n);
    for (int i=0; i<n; i++) {
        scanf("%d",&h[i]);
        S += h[i];
    }
    for (int i=0; i<n; i++) {
        scanf("%d",&u[i]);
    }
    double s = 0, e = 1e16;
    for (int i=0; i<100; i++) {
        double m = (s+e)/2;
        if(trial(m)) e = m;
        else s = m;
    }
    printf("%d %d",min(r1,r2),max(r1,r2));
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2644 KB Output is correct
2 Correct 0 ms 2644 KB Output is correct
3 Correct 0 ms 2644 KB Output is correct
4 Correct 0 ms 2644 KB Output is correct
5 Correct 0 ms 2644 KB Output is correct
6 Correct 0 ms 2644 KB Output is correct
7 Correct 0 ms 2644 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2644 KB Output is correct
2 Correct 0 ms 2644 KB Output is correct
3 Correct 0 ms 2644 KB Output is correct
4 Correct 0 ms 2644 KB Output is correct
5 Correct 0 ms 2644 KB Output is correct
6 Correct 0 ms 2644 KB Output is correct
7 Correct 0 ms 2644 KB Output is correct
8 Correct 0 ms 2644 KB Output is correct
9 Correct 0 ms 2644 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 2644 KB Output is correct
2 Correct 155 ms 2644 KB Output is correct
3 Correct 146 ms 2644 KB Output is correct
4 Correct 108 ms 2644 KB Output is correct
5 Correct 52 ms 2644 KB Output is correct
6 Correct 90 ms 2644 KB Output is correct
7 Correct 141 ms 2644 KB Output is correct
8 Correct 83 ms 2644 KB Output is correct
9 Correct 151 ms 2644 KB Output is correct
10 Correct 145 ms 2644 KB Output is correct
11 Correct 76 ms 2644 KB Output is correct
12 Correct 154 ms 2644 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 152 ms 2644 KB Output is correct
2 Correct 153 ms 2644 KB Output is correct
3 Correct 149 ms 2644 KB Output is correct
4 Correct 152 ms 2644 KB Output is correct
5 Correct 149 ms 2644 KB Output is correct
6 Correct 154 ms 2644 KB Output is correct
7 Correct 157 ms 2644 KB Output is correct
8 Correct 103 ms 2644 KB Output is correct
9 Correct 110 ms 2644 KB Output is correct
10 Correct 154 ms 2644 KB Output is correct
11 Correct 153 ms 2644 KB Output is correct
12 Correct 143 ms 2644 KB Output is correct
13 Correct 159 ms 2644 KB Output is correct
14 Correct 48 ms 2644 KB Output is correct
15 Correct 148 ms 2644 KB Output is correct
16 Correct 158 ms 2644 KB Output is correct
17 Correct 90 ms 2644 KB Output is correct