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Submission #978727

# Submission time Handle Problem Language Result Execution time Memory
978727 2024-05-09T14:40:53 Z DobromirAngelov Self Study (JOI22_ho_t2) C++14
0 / 100
 280 ms 10000 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<<l<<endl;

return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:48:19: warning: division by zero [-Wdiv-by-zero]
   48 | if(ans!=l) cout<<1/0<<endl;
      |                  ~^~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 2 ms 2392 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 2396 KB Output is correct
11 Correct 142 ms 4984 KB Output is correct
12 Correct 142 ms 4944 KB Output is correct
13 Correct 137 ms 5456 KB Output is correct
14 Runtime error 280 ms 10000 KB Execution killed with signal 4
15 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 4700 KB Execution killed with signal 4
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 2 ms 2392 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 2396 KB Output is correct
11 Correct 142 ms 4984 KB Output is correct
12 Correct 142 ms 4944 KB Output is correct
13 Correct 137 ms 5456 KB Output is correct
14 Runtime error 280 ms 10000 KB Execution killed with signal 4
15 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 4700 KB Execution killed with signal 4
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 2 ms 2392 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 2396 KB Output is correct
11 Correct 142 ms 4984 KB Output is correct
12 Correct 142 ms 4944 KB Output is correct
13 Correct 137 ms 5456 KB Output is correct
14 Runtime error 280 ms 10000 KB Execution killed with signal 4
15 Halted 0 ms 0 KB -