Submission #978747

# Submission time Handle Problem Language Result Execution time Memory
978747 2024-05-09T15:13:04 Z DobromirAngelov Self Study (JOI22_ho_t2) C++14
0 / 100
272 ms 5132 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-1)
{
    long long mid=(l+r)/2;
    if(check(mid)) l=mid;
    else r=mid;
}


//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 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 2508 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 0 ms 2396 KB Output is correct
10 Correct 3 ms 2392 KB Output is correct
11 Correct 141 ms 4956 KB Output is correct
12 Correct 141 ms 4956 KB Output is correct
13 Correct 130 ms 4952 KB Output is correct
14 Incorrect 272 ms 5132 KB Output isn't correct
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 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 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 73 ms 4724 KB Output is correct
10 Correct 50 ms 4852 KB Output is correct
11 Correct 37 ms 4696 KB Output is correct
12 Correct 29 ms 4956 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Incorrect 5 ms 2548 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 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 2508 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 0 ms 2396 KB Output is correct
10 Correct 3 ms 2392 KB Output is correct
11 Correct 141 ms 4956 KB Output is correct
12 Correct 141 ms 4956 KB Output is correct
13 Correct 130 ms 4952 KB Output is correct
14 Incorrect 272 ms 5132 KB Output isn't correct
15 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 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 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 73 ms 4724 KB Output is correct
10 Correct 50 ms 4852 KB Output is correct
11 Correct 37 ms 4696 KB Output is correct
12 Correct 29 ms 4956 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Incorrect 5 ms 2548 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 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 2508 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 0 ms 2396 KB Output is correct
10 Correct 3 ms 2392 KB Output is correct
11 Correct 141 ms 4956 KB Output is correct
12 Correct 141 ms 4956 KB Output is correct
13 Correct 130 ms 4952 KB Output is correct
14 Incorrect 272 ms 5132 KB Output isn't correct
15 Halted 0 ms 0 KB -