Submission #978732

# Submission time Handle Problem Language Result Execution time Memory
978732 2024-05-09T14:52:33 Z DobromirAngelov Self Study (JOI22_ho_t2) C++14
10 / 100
281 ms 11600 KB
#include<bits/stdc++.h>
#define endl '\n'

using namespace std;

const int MAXN=3e5+5;
const long long INF=1e18+5;

int n,m;
long long a[MAXN];
long long b[MAXN];

bool check(long long val)
{
    long long s=0;
    for(int i=1;i<=n;i++)
    {
        if(a[i]*m>=val) s+=(val+a[i]-1)/a[i];
        else s+=m+(val-a[i]*m+b[i]-1)/b[i];
    }
    if(s>1LL*n*m) return 0;
    return 1;
}

int main()
{
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);

cin>>n>>m;
for(int i=1;i<=n;i++) cin>>a[i];
for(int i=1;i<=n;i++) cin>>b[i];

for(int i=1;i<=n;i++) a[i]=max(a[i],b[i]);

long long l=1,r=INF;
while(l<r)
{
    long long mid=(l+r+1)/2;
    if(check(mid)) l=mid;
    else r=mid-1;
}

long long ans=INF;
for(int i=1;i<=n;i++) ans=min(ans, a[i]);

//if(ans<l) cout<<1/0<<endl;

cout<<ans<<endl;

return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 3 ms 2396 KB Output is correct
11 Correct 144 ms 5080 KB Output is correct
12 Correct 141 ms 4952 KB Output is correct
13 Correct 134 ms 5136 KB Output is correct
14 Correct 281 ms 5132 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 265 ms 6304 KB Output is correct
17 Correct 153 ms 11600 KB Output is correct
18 Correct 144 ms 10832 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 265 ms 6304 KB Output is correct
3 Correct 153 ms 11600 KB Output is correct
4 Correct 144 ms 10832 KB Output is correct
5 Incorrect 1 ms 2396 KB Output isn't correct
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 3 ms 2396 KB Output is correct
11 Correct 144 ms 5080 KB Output is correct
12 Correct 141 ms 4952 KB Output is correct
13 Correct 134 ms 5136 KB Output is correct
14 Correct 281 ms 5132 KB Output is correct
15 Incorrect 1 ms 2396 KB Output isn't correct
16 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2648 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 3 ms 2396 KB Output is correct
11 Correct 144 ms 5080 KB Output is correct
12 Correct 141 ms 4952 KB Output is correct
13 Correct 134 ms 5136 KB Output is correct
14 Correct 281 ms 5132 KB Output is correct
15 Incorrect 1 ms 2396 KB Output isn't correct
16 Halted 0 ms 0 KB -