Submission #718559

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
718559	2023-04-04T10:09:03 Z	vinnipuh01	Self Study (JOI22_ho_t2)	C++17	0 / 100	475 ms	10876 KB

Main

#include <iostream>
#include <bits/stdc++.h>
#include <cmath>
#include <algorithm>
#include <vector>
#include <deque>
#include <set>
#include <stack>
#include <string>
#include <map>
#include <queue>
#define int long long
#define sqrt sqrtl

using namespace std;

const long long oo = 1000000000000000000;

long long sum, ans = 0, mx = 0, mn = 1000000000, num, pos;


/*
    ViHHiPuh

   (( `'-""``""-'` ))
     )-__-_.._-__-(
   / --- (o _ o) --- \
   \ .-* ( .0. ) *-. /
   _'-. ,_ '=' _, .-'_
  / `;#'#'# - #'#'#;` \
 \_)) -----'#'----- ((_/
      # --------- #
  '# ------- ------ #'
  /..-'# ------- #'-.\
  _\...-\'# -- #'/-.../_
  ((____)- '#' -(____))


    cout << fixed << setprecision(6) << x;


    freopen ( "sum.in", "r", stdin )
*/

int n, m, a[ 300001 ], b[ 300001 ];

bool ok( int x ) {
	sum = 0;
	for ( int i = 1; i <= n; i ++ ) {
		num = x / a[ i ];
		if ( x % a[ i ] ) {
			num ++;
		}
		if ( num <= m )
			sum += m - num;
		else {
			pos = ( num - m - 1 ) * a[ i ];
			if ( x % a[ i ] )
				pos += x % a[ i ];
			else
				pos += a[ i ];
			pos = pos / b[ i ] + (bool)( pos % b[ i ] );
			sum -= pos;
		}
	}
	return sum >= 0;
}

main () {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n;
    cin >> m;
    for ( int i = 1; i <= n; i ++ )
    	cin >> a[ i ];
    for ( int i = 1; i <= n; i ++ ) {
    	cin >> b[ i ];
    	if ( b[ i ] > a[ i ] )
    		a[ i ] = b[ i ];
    }
    int l, r, mid;
    l = 1;
    r = oo;
    while ( r - l > 1 ) {
    	mid = ( l + r ) / 2;
    	if ( ok( mid ) )
    		l = mid;
    	else
    		r = mid - 1;
	}
	if ( ok( r ) )
		l = r;
	cout << l;
}

Compilation message

Main.cpp:69:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   69 | main () {
      | ^~~~

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	296 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	4 ms	468 KB	Output is correct
11	Correct	233 ms	10876 KB	Output is correct
12	Correct	231 ms	10792 KB	Output is correct
13	Correct	241 ms	8808 KB	Output is correct
14	Incorrect	475 ms	8780 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	328 KB	Output is correct
8	Correct	1 ms	324 KB	Output is correct
9	Correct	121 ms	5564 KB	Output is correct
10	Correct	77 ms	3740 KB	Output is correct
11	Correct	58 ms	2888 KB	Output is correct
12	Correct	48 ms	2412 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	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	9 ms	424 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	296 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	4 ms	468 KB	Output is correct
11	Correct	233 ms	10876 KB	Output is correct
12	Correct	231 ms	10792 KB	Output is correct
13	Correct	241 ms	8808 KB	Output is correct
14	Incorrect	475 ms	8780 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	328 KB	Output is correct
8	Correct	1 ms	324 KB	Output is correct
9	Correct	121 ms	5564 KB	Output is correct
10	Correct	77 ms	3740 KB	Output is correct
11	Correct	58 ms	2888 KB	Output is correct
12	Correct	48 ms	2412 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	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Incorrect	9 ms	424 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	296 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	4 ms	468 KB	Output is correct
11	Correct	233 ms	10876 KB	Output is correct
12	Correct	231 ms	10792 KB	Output is correct
13	Correct	241 ms	8808 KB	Output is correct
14	Incorrect	475 ms	8780 KB	Output isn't correct
15	Halted	0 ms	0 KB	-