Submission #978745

# Submission time Handle Problem Language Result Execution time Memory
978745 2024-05-09T15:12:00 Z DobromirAngelov Self Study (JOI22_ho_t2) C++14
0 / 100
275 ms 5284 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;
    bool fl=0;
    for(int i=1;i<=n;i++)
    {
        long long cur=0;
        if(a[i]*m>=val) cur+=(val+a[i]-1)/a[i];
        else cur+=m+(val-a[i]*m+b[i]-1)/b[i];
        s+=cur;
        if(cur>1) fl=1;
    }
    //if(fl && s<=n) cout<<1/0<<endl;
    if(s>1LL*n*m) return 0;
    return 1;
}

long long ans;

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]);

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

long long l=0,r=INF;
while(l<r)
{
    long long mid=(l+r+1)/2;
    if(check(mid)) l=mid;
    else r=mid-1;
}


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

cout<<l<<endl;

return 0;
}

Compilation message

Main.cpp: In function 'bool check(long long int)':
Main.cpp:16:10: warning: variable 'fl' set but not used [-Wunused-but-set-variable]
   16 |     bool fl=0;
      |          ^~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2464 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2512 KB Output is correct
5 Correct 1 ms 2396 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 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 3 ms 2392 KB Output is correct
11 Correct 149 ms 5128 KB Output is correct
12 Correct 142 ms 5128 KB Output is correct
13 Correct 134 ms 5132 KB Output is correct
14 Incorrect 275 ms 5284 KB Output isn't correct
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 72 ms 4740 KB Output is correct
10 Correct 48 ms 4700 KB Output is correct
11 Correct 36 ms 4728 KB Output is correct
12 Correct 29 ms 4696 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2648 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Incorrect 5 ms 2396 KB Output isn't correct
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2464 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2512 KB Output is correct
5 Correct 1 ms 2396 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 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 3 ms 2392 KB Output is correct
11 Correct 149 ms 5128 KB Output is correct
12 Correct 142 ms 5128 KB Output is correct
13 Correct 134 ms 5132 KB Output is correct
14 Incorrect 275 ms 5284 KB Output isn't correct
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 72 ms 4740 KB Output is correct
10 Correct 48 ms 4700 KB Output is correct
11 Correct 36 ms 4728 KB Output is correct
12 Correct 29 ms 4696 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2648 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2392 KB Output is correct
18 Incorrect 5 ms 2396 KB Output isn't correct
19 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2464 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2512 KB Output is correct
5 Correct 1 ms 2396 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 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 3 ms 2392 KB Output is correct
11 Correct 149 ms 5128 KB Output is correct
12 Correct 142 ms 5128 KB Output is correct
13 Correct 134 ms 5132 KB Output is correct
14 Incorrect 275 ms 5284 KB Output isn't correct
15 Halted 0 ms 0 KB -