답안 #955029

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
955029	2024-03-29T08:16:13 Z	sleepntsheep	Self Study (JOI22_ho_t2)	C	0 / 100	378 ms	13208 KB

Main

#include<stdio.h>

long long max_(long long a,long long b){return a>b?a:b;}
long long min_(long long a,long long b){return a<b?a:b;}
#define N 300005

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

int ok(long long k)
{
    static long long aa[N],bb[N];
    for(int i=1;i<=n;++i)
    {
        aa[i]=min_((k+a[i]-1)/a[i],m);
        long long lf=max_(0,k-a[i]*aa[i]);
        bb[i]=(lf+b[i]-1)/b[i];
    }
    long long free=0,take=0;
    for(int i=1;i<=n;++i)free+=m-aa[i],take+=bb[i];
    //printf(" : %lld = %lld %lld\n",k,free,take); for(int i=1;i<=n;++i) printf("    . %lld %lld\n",aa[i],bb[i]);
    return take<=free;
}

int main()
{
    scanf("%d%d",&n,&m);
    for(int i=1;i<=n;++i)scanf("%d",a+i);
    for(int i=1;i<=n;++i)scanf("%d",b+i),a[i]=max_(a[i],b[i]);

    long long lower=-1,upper=1e15+5;
    while(upper-lower>1)
    {
        long long mid=lower+(upper-lower)/2;
        if(ok(mid))lower=mid;
        else upper=mid;
    }
    printf("%lld",lower);
}

Compilation message

Main.c: In function 'main':
Main.c:26:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |     scanf("%d%d",&n,&m);
      |     ^~~~~~~~~~~~~~~~~~~
Main.c:27:26: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |     for(int i=1;i<=n;++i)scanf("%d",a+i);
      |                          ^~~~~~~~~~~~~~~
Main.c:28:26: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     for(int i=1;i<=n;++i)scanf("%d",b+i),a[i]=max_(a[i],b[i]);
      |                          ^~~~~~~~~~~~~~~

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4444 KB	Output is correct
2	Correct	3 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	2 ms	4440 KB	Output is correct
10	Correct	4 ms	4444 KB	Output is correct
11	Correct	205 ms	13208 KB	Output is correct
12	Correct	213 ms	13080 KB	Output is correct
13	Correct	200 ms	11024 KB	Output is correct
14	Incorrect	319 ms	11248 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4444 KB	Output is correct
2	Correct	2 ms	4444 KB	Output is correct
3	Correct	1 ms	4524 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4524 KB	Output is correct
8	Correct	2 ms	4444 KB	Output is correct
9	Correct	106 ms	8612 KB	Output is correct
10	Correct	70 ms	7004 KB	Output is correct
11	Correct	52 ms	6284 KB	Output is correct
12	Correct	42 ms	5892 KB	Output is correct
13	Correct	1 ms	4440 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4444 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4440 KB	Output is correct
18	Correct	5 ms	4564 KB	Output is correct
19	Correct	4 ms	4536 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Incorrect	378 ms	8788 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4444 KB	Output is correct
2	Correct	3 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	2 ms	4440 KB	Output is correct
10	Correct	4 ms	4444 KB	Output is correct
11	Correct	205 ms	13208 KB	Output is correct
12	Correct	213 ms	13080 KB	Output is correct
13	Correct	200 ms	11024 KB	Output is correct
14	Incorrect	319 ms	11248 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4444 KB	Output is correct
2	Correct	2 ms	4444 KB	Output is correct
3	Correct	1 ms	4524 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4524 KB	Output is correct
8	Correct	2 ms	4444 KB	Output is correct
9	Correct	106 ms	8612 KB	Output is correct
10	Correct	70 ms	7004 KB	Output is correct
11	Correct	52 ms	6284 KB	Output is correct
12	Correct	42 ms	5892 KB	Output is correct
13	Correct	1 ms	4440 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4444 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4440 KB	Output is correct
18	Correct	5 ms	4564 KB	Output is correct
19	Correct	4 ms	4536 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Incorrect	378 ms	8788 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	4444 KB	Output is correct
2	Correct	3 ms	4444 KB	Output is correct
3	Correct	1 ms	4444 KB	Output is correct
4	Correct	1 ms	4444 KB	Output is correct
5	Correct	1 ms	4444 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	2 ms	4440 KB	Output is correct
10	Correct	4 ms	4444 KB	Output is correct
11	Correct	205 ms	13208 KB	Output is correct
12	Correct	213 ms	13080 KB	Output is correct
13	Correct	200 ms	11024 KB	Output is correct
14	Incorrect	319 ms	11248 KB	Output isn't correct
15	Halted	0 ms	0 KB	-