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Submission #978753

# Submission time Handle Problem Language Result Execution time Memory
978753 2024-05-09T15:17:16 Z DobromirAngelov Self Study (JOI22_ho_t2) C++14
62 / 100
 216 ms 5200 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(s>1LL*n*m) return 0;
    }
    //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: unused variable 'fl' [-Wunused-variable]
   16 |     bool fl=0;
      |          ^~

Subtask #1
10.0 / 10.0

# 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 1 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 1 ms 2392 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 79 ms 5132 KB Output is correct
12 Correct 81 ms 4952 KB Output is correct
13 Correct 75 ms 5076 KB Output is correct
14 Correct 55 ms 4956 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 26 ms 4956 KB Output is correct
17 Correct 85 ms 5132 KB Output is correct
18 Correct 79 ms 4944 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 26 ms 4956 KB Output is correct
3 Correct 85 ms 5132 KB Output is correct
4 Correct 79 ms 4944 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 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 41 ms 4724 KB Output is correct
14 Correct 28 ms 4720 KB Output is correct
15 Correct 24 ms 4948 KB Output is correct
16 Correct 17 ms 4696 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 2 ms 2396 KB Output is correct

Subtask #3
27.0 / 27.0

# 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 1 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 1 ms 2392 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 79 ms 5132 KB Output is correct
12 Correct 81 ms 4952 KB Output is correct
13 Correct 75 ms 5076 KB Output is correct
14 Correct 55 ms 4956 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 41 ms 4724 KB Output is correct
24 Correct 28 ms 4720 KB Output is correct
25 Correct 24 ms 4948 KB Output is correct
26 Correct 17 ms 4696 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct
33 Correct 2 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 26 ms 4956 KB Output is correct
36 Correct 85 ms 5132 KB Output is correct
37 Correct 79 ms 4944 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 1 ms 2392 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 1 ms 2396 KB Output is correct
45 Correct 2 ms 2396 KB Output is correct
46 Correct 3 ms 2396 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 15 ms 4748 KB Output is correct
49 Correct 1 ms 2392 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 2 ms 2396 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 1 ms 2392 KB Output is correct
55 Correct 42 ms 4748 KB Output is correct
56 Correct 25 ms 4696 KB Output is correct
57 Correct 20 ms 4696 KB Output is correct

Subtask #4
0 / 29.0

# 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 1 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 1 ms 2396 KB Output is correct
9 Correct 41 ms 4724 KB Output is correct
10 Correct 28 ms 4720 KB Output is correct
11 Correct 24 ms 4948 KB Output is correct
12 Correct 17 ms 4696 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 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2392 KB Output is correct
19 Correct 2 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 26 ms 4956 KB Output is correct
22 Correct 85 ms 5132 KB Output is correct
23 Correct 79 ms 4944 KB Output is correct
24 Correct 26 ms 4700 KB Output is correct
25 Correct 64 ms 4700 KB Output is correct
26 Correct 11 ms 4700 KB Output is correct
27 Correct 77 ms 5076 KB Output is correct
28 Correct 88 ms 5136 KB Output is correct
29 Correct 85 ms 5132 KB Output is correct
30 Correct 106 ms 5000 KB Output is correct
31 Correct 178 ms 5136 KB Output is correct
32 Correct 94 ms 5200 KB Output is correct
33 Incorrect 216 ms 5132 KB Output isn't correct
34 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 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 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 2392 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 79 ms 5132 KB Output is correct
12 Correct 81 ms 4952 KB Output is correct
13 Correct 75 ms 5076 KB Output is correct
14 Correct 55 ms 4956 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 41 ms 4724 KB Output is correct
24 Correct 28 ms 4720 KB Output is correct
25 Correct 24 ms 4948 KB Output is correct
26 Correct 17 ms 4696 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 2396 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct
33 Correct 2 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2392 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 2 ms 2396 KB Output is correct
42 Correct 3 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 15 ms 4748 KB Output is correct
45 Correct 1 ms 2392 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 2 ms 2396 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2392 KB Output is correct
51 Correct 42 ms 4748 KB Output is correct
52 Correct 25 ms 4696 KB Output is correct
53 Correct 20 ms 4696 KB Output is correct
54 Correct 26 ms 4700 KB Output is correct
55 Correct 64 ms 4700 KB Output is correct
56 Correct 11 ms 4700 KB Output is correct
57 Correct 77 ms 5076 KB Output is correct
58 Correct 88 ms 5136 KB Output is correct
59 Correct 85 ms 5132 KB Output is correct
60 Correct 106 ms 5000 KB Output is correct
61 Correct 178 ms 5136 KB Output is correct
62 Correct 94 ms 5200 KB Output is correct
63 Incorrect 216 ms 5132 KB Output isn't correct
64 Halted 0 ms 0 KB -