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답안 #1020400

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1020400 2024-07-12T03:44:33 Z cpptowin Self Study (JOI22_ho_t2) C++17
62 / 100
 123 ms 23904 KB 
#include<bits/stdc++.h>
#define fo(i,l,r) for(int i = l; i <= r; i++)
#define fod(i,r,l) for(int i = r ; i >= l; i--)
#define int long long
#define maxn 1000010
#define N 1010
#define inf (int)1e18
#define pb emplace_back
#define all(x) x.begin(),x.end()
#define en cout << "\n";
#define ss(x) (int)x.size()
#define bitcount(x) __builtint_popcountll(x)
#define bit(x,i) ((x >> i) & 1)
#define onbit(x,i) (x | (1ll << i))
#define offbit(x,i) (x ^ (1ll << i))
#define lb(x) x & -x
#define pii pair<int,int>
#define vi vector<int>
#define vii vector<pii>
#define fi first
#define se second
bool maximize(int &a,int b)
{
    if(a <= b)
    {
        a = b;
        return 1;
    }
    return 0;
}
bool minimize(int &a,int b)
{
    if(a >= b)
    {
        a = b;
        return 1;
    }
    return 0;
}
using namespace std;
int n,m;
int a[maxn],b[maxn];
namespace sub3
{
    bool check(int x)
    {
        int r = 0;
        fo(i,1,n)
        {
            int val = x / a[i] + (x % a[i] > 0);
            if(val <= m) r += m - val;
            else
            {
                int cc = x - m * a[i];
                cc = cc / b[i] + (cc % b[i] > 0);
                r -= cc;
                if(r < -inf) return 0;
            }
        }
        return r >= 0;
    }
    void solve()
    {
        fo(i,1,n) a[i] = max(a[i],b[i]);
        int l = 0,r = inf,ans = 0;
        while(l <= r)
        {
            int mid = l + r >> 1;
            if(check(mid)) ans = mid,l = mid + 1;
            else r = mid - 1;
        }
        assert(ans < inf);
        cout << ans;
    }
}
main()
{
    #define name "TASK"
    if(fopen(name".inp","r"))
    {
        freopen(name".inp","r",stdin);
        freopen(name".out","w",stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> m;
    fo(i,1,n) cin >> a[i];
    fo(i,1,n) cin >> b[i];
    sub3::solve();
}

Compilation message

Main.cpp: In function 'void sub3::solve()':
Main.cpp:68:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   68 |             int mid = l + r >> 1;
      |                       ~~^~~
Main.cpp: At global scope:
Main.cpp:76:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   76 | main()
      | ^~~~
Main.cpp: In function 'int main()':
Main.cpp:81:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |         freopen(name".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:82:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |         freopen(name".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 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 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 123 ms 9040 KB Output is correct
12 Correct 104 ms 8784 KB Output is correct
13 Correct 104 ms 8784 KB Output is correct
14 Correct 82 ms 8792 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 88 ms 8840 KB Output is correct
17 Correct 116 ms 9040 KB Output is correct
18 Correct 106 ms 8784 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 88 ms 8840 KB Output is correct
3 Correct 116 ms 9040 KB Output is correct
4 Correct 106 ms 8784 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 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 59 ms 6748 KB Output is correct
14 Correct 39 ms 6744 KB Output is correct
15 Correct 28 ms 6748 KB Output is correct
16 Correct 25 ms 4700 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 0 ms 2396 KB Output is correct
22 Correct 2 ms 2396 KB Output is correct
23 Correct 2 ms 2652 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 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 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 123 ms 9040 KB Output is correct
12 Correct 104 ms 8784 KB Output is correct
13 Correct 104 ms 8784 KB Output is correct
14 Correct 82 ms 8792 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 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 59 ms 6748 KB Output is correct
24 Correct 39 ms 6744 KB Output is correct
25 Correct 28 ms 6748 KB Output is correct
26 Correct 25 ms 4700 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 0 ms 2396 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 2 ms 2652 KB Output is correct
34 Correct 1 ms 2392 KB Output is correct
35 Correct 88 ms 8840 KB Output is correct
36 Correct 116 ms 9040 KB Output is correct
37 Correct 106 ms 8784 KB Output is correct
38 Correct 1 ms 2392 KB Output is correct
39 Correct 1 ms 2652 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 1 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 2 ms 2652 KB Output is correct
46 Correct 4 ms 2652 KB Output is correct
47 Correct 1 ms 2436 KB Output is correct
48 Correct 20 ms 5724 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 2 ms 2392 KB Output is correct
52 Correct 1 ms 2392 KB Output is correct
53 Correct 1 ms 2392 KB Output is correct
54 Correct 1 ms 2396 KB Output is correct
55 Correct 58 ms 9456 KB Output is correct
56 Correct 35 ms 8028 KB Output is correct
57 Correct 28 ms 8024 KB Output is correct

Subtask #4
0 / 29.0

# 결과 실행 시간 메모리 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 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 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 59 ms 6748 KB Output is correct
10 Correct 39 ms 6744 KB Output is correct
11 Correct 28 ms 6748 KB Output is correct
12 Correct 25 ms 4700 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 0 ms 2396 KB Output is correct
18 Correct 2 ms 2396 KB Output is correct
19 Correct 2 ms 2652 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 88 ms 8840 KB Output is correct
22 Correct 116 ms 9040 KB Output is correct
23 Correct 106 ms 8784 KB Output is correct
24 Correct 17 ms 5640 KB Output is correct
25 Correct 50 ms 9296 KB Output is correct
26 Correct 13 ms 5208 KB Output is correct
27 Correct 119 ms 14616 KB Output is correct
28 Correct 113 ms 14432 KB Output is correct
29 Correct 119 ms 14420 KB Output is correct
30 Correct 113 ms 14568 KB Output is correct
31 Correct 98 ms 14420 KB Output is correct
32 Correct 71 ms 9816 KB Output is correct
33 Runtime error 92 ms 23904 KB Execution killed with signal 6
34 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# 결과 실행 시간 메모리 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 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 123 ms 9040 KB Output is correct
12 Correct 104 ms 8784 KB Output is correct
13 Correct 104 ms 8784 KB Output is correct
14 Correct 82 ms 8792 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 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 59 ms 6748 KB Output is correct
24 Correct 39 ms 6744 KB Output is correct
25 Correct 28 ms 6748 KB Output is correct
26 Correct 25 ms 4700 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 0 ms 2396 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 2 ms 2652 KB Output is correct
34 Correct 1 ms 2392 KB Output is correct
35 Correct 1 ms 2652 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 2 ms 2652 KB Output is correct
42 Correct 4 ms 2652 KB Output is correct
43 Correct 1 ms 2436 KB Output is correct
44 Correct 20 ms 5724 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 2 ms 2392 KB Output is correct
48 Correct 1 ms 2392 KB Output is correct
49 Correct 1 ms 2392 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 58 ms 9456 KB Output is correct
52 Correct 35 ms 8028 KB Output is correct
53 Correct 28 ms 8024 KB Output is correct
54 Correct 17 ms 5640 KB Output is correct
55 Correct 50 ms 9296 KB Output is correct
56 Correct 13 ms 5208 KB Output is correct
57 Correct 119 ms 14616 KB Output is correct
58 Correct 113 ms 14432 KB Output is correct
59 Correct 119 ms 14420 KB Output is correct
60 Correct 113 ms 14568 KB Output is correct
61 Correct 98 ms 14420 KB Output is correct
62 Correct 71 ms 9816 KB Output is correct
63 Runtime error 92 ms 23904 KB Execution killed with signal 6
64 Halted 0 ms 0 KB -