oj.uz

Submission #674587

# Submission time Handle Problem Language Result Execution time Memory
674587 2022-12-25T07:52:52 Z guagua0407 Self Study (JOI22_ho_t2) C++17
100 / 100
 390 ms 11452 KB 
/*
希望全國賽不要墊底

全國賽策略：
0:00-0:15：讀題
0:15-3:00：寫掉有把握的
3:00-5:00：撈分+寫掉快好的

記得上廁所
記得吃東西
*/
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll,ll>
#define f first
#define s second
#define all(x) x.begin(),x.end() 
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

const ll mxn=3e5+5;
ll n,m;
ll a[mxn],b[mxn];

bool check(ll k){
    __int128 need=0,used=0;
    for(ll i=0;i<n;i++){
        ll tmp=min(m,(k+a[i]-1)/a[i]);
        ll kk=k-(tmp*a[i]);
        if(kk>0){
            need+=(kk+b[i]-1)/b[i];
        }
        else{
            used+=m-tmp;
        }
    }
    return used>=need;
}

int main() {_
    //setIO("wayne");
    cin>>n>>m;
    for(ll i=0;i<n;i++){
        cin>>a[i];
    }
    for(ll i=0;i<n;i++){
        cin>>b[i];
        a[i]=max(a[i],b[i]);
    }
    ll l = 0, r = 4e18;
    while (l!=r) {
        ll mid = (l+r)/2;
        if (check(mid)) {
            l = mid+1;
        }else{
            r = mid;
        }
    }
    cout<<l-1<<'\n';
    return 0;
}
//maybe its multiset not set

Compilation message

Main.cpp: In function 'void setIO(std::string)':
Main.cpp:23:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:24:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 235 ms 4924 KB Output is correct
12 Correct 233 ms 5072 KB Output is correct
13 Correct 238 ms 4912 KB Output is correct
14 Correct 293 ms 4940 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 367 ms 6136 KB Output is correct
17 Correct 265 ms 11428 KB Output is correct
18 Correct 238 ms 10796 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 367 ms 6136 KB Output is correct
3 Correct 265 ms 11428 KB Output is correct
4 Correct 238 ms 10796 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 120 ms 2680 KB Output is correct
14 Correct 80 ms 1868 KB Output is correct
15 Correct 60 ms 1488 KB Output is correct
16 Correct 49 ms 1356 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 284 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 6 ms 340 KB Output is correct
23 Correct 5 ms 460 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 235 ms 4924 KB Output is correct
12 Correct 233 ms 5072 KB Output is correct
13 Correct 238 ms 4912 KB Output is correct
14 Correct 293 ms 4940 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 120 ms 2680 KB Output is correct
24 Correct 80 ms 1868 KB Output is correct
25 Correct 60 ms 1488 KB Output is correct
26 Correct 49 ms 1356 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 284 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 6 ms 340 KB Output is correct
33 Correct 5 ms 460 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 367 ms 6136 KB Output is correct
36 Correct 265 ms 11428 KB Output is correct
37 Correct 238 ms 10796 KB Output is correct
38 Correct 0 ms 328 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 328 KB Output is correct
41 Correct 1 ms 324 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 5 ms 468 KB Output is correct
46 Correct 9 ms 596 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 44 ms 2132 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 5 ms 472 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 120 ms 5576 KB Output is correct
56 Correct 82 ms 3152 KB Output is correct
57 Correct 104 ms 3148 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 120 ms 2680 KB Output is correct
10 Correct 80 ms 1868 KB Output is correct
11 Correct 60 ms 1488 KB Output is correct
12 Correct 49 ms 1356 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 284 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 6 ms 340 KB Output is correct
19 Correct 5 ms 460 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 367 ms 6136 KB Output is correct
22 Correct 265 ms 11428 KB Output is correct
23 Correct 238 ms 10796 KB Output is correct
24 Correct 43 ms 1944 KB Output is correct
25 Correct 115 ms 5012 KB Output is correct
26 Correct 28 ms 1356 KB Output is correct
27 Correct 240 ms 10796 KB Output is correct
28 Correct 250 ms 10804 KB Output is correct
29 Correct 244 ms 10836 KB Output is correct
30 Correct 249 ms 10800 KB Output is correct
31 Correct 242 ms 10852 KB Output is correct
32 Correct 355 ms 6092 KB Output is correct
33 Correct 350 ms 11452 KB Output is correct
34 Correct 376 ms 6168 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 235 ms 4924 KB Output is correct
12 Correct 233 ms 5072 KB Output is correct
13 Correct 238 ms 4912 KB Output is correct
14 Correct 293 ms 4940 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 120 ms 2680 KB Output is correct
24 Correct 80 ms 1868 KB Output is correct
25 Correct 60 ms 1488 KB Output is correct
26 Correct 49 ms 1356 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 284 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 6 ms 340 KB Output is correct
33 Correct 5 ms 460 KB Output is correct
34 Correct 0 ms 328 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 328 KB Output is correct
37 Correct 1 ms 324 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 5 ms 468 KB Output is correct
42 Correct 9 ms 596 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 44 ms 2132 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 5 ms 472 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 120 ms 5576 KB Output is correct
52 Correct 82 ms 3152 KB Output is correct
53 Correct 104 ms 3148 KB Output is correct
54 Correct 43 ms 1944 KB Output is correct
55 Correct 115 ms 5012 KB Output is correct
56 Correct 28 ms 1356 KB Output is correct
57 Correct 240 ms 10796 KB Output is correct
58 Correct 250 ms 10804 KB Output is correct
59 Correct 244 ms 10836 KB Output is correct
60 Correct 249 ms 10800 KB Output is correct
61 Correct 242 ms 10852 KB Output is correct
62 Correct 355 ms 6092 KB Output is correct
63 Correct 350 ms 11452 KB Output is correct
64 Correct 376 ms 6168 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 367 ms 6136 KB Output is correct
67 Correct 265 ms 11428 KB Output is correct
68 Correct 238 ms 10796 KB Output is correct
69 Correct 29 ms 1364 KB Output is correct
70 Correct 8 ms 588 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 39 ms 1912 KB Output is correct
73 Correct 9 ms 608 KB Output is correct
74 Correct 1 ms 356 KB Output is correct
75 Correct 243 ms 10716 KB Output is correct
76 Correct 246 ms 10700 KB Output is correct
77 Correct 247 ms 10776 KB Output is correct
78 Correct 258 ms 10796 KB Output is correct
79 Correct 264 ms 10768 KB Output is correct
80 Correct 255 ms 10700 KB Output is correct
81 Correct 328 ms 8808 KB Output is correct
82 Correct 390 ms 8848 KB Output is correct