답안 #955030

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
955030 2024-03-29T08:17:24 Z sleepntsheep Self Study (JOI22_ho_t2) C
0 / 100
437 ms 7508 KB
#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=1e18+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]);
      |                          ^~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 2 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 5 ms 4444 KB Output is correct
11 Correct 253 ms 7328 KB Output is correct
12 Correct 251 ms 7504 KB Output is correct
13 Correct 248 ms 7436 KB Output is correct
14 Incorrect 437 ms 7508 KB Output isn't correct
15 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 1 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 4440 KB Output is correct
9 Correct 126 ms 5712 KB Output is correct
10 Correct 86 ms 5200 KB Output is correct
11 Correct 64 ms 4832 KB Output is correct
12 Correct 52 ms 4736 KB Output is correct
13 Correct 1 ms 4444 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 4528 KB Output is correct
18 Incorrect 9 ms 4444 KB Output isn't correct
19 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 2 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 5 ms 4444 KB Output is correct
11 Correct 253 ms 7328 KB Output is correct
12 Correct 251 ms 7504 KB Output is correct
13 Correct 248 ms 7436 KB Output is correct
14 Incorrect 437 ms 7508 KB Output isn't correct
15 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 1 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 4440 KB Output is correct
9 Correct 126 ms 5712 KB Output is correct
10 Correct 86 ms 5200 KB Output is correct
11 Correct 64 ms 4832 KB Output is correct
12 Correct 52 ms 4736 KB Output is correct
13 Correct 1 ms 4444 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 4528 KB Output is correct
18 Incorrect 9 ms 4444 KB Output isn't correct
19 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 2 ms 4444 KB Output is correct
5 Correct 2 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4440 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 5 ms 4444 KB Output is correct
11 Correct 253 ms 7328 KB Output is correct
12 Correct 251 ms 7504 KB Output is correct
13 Correct 248 ms 7436 KB Output is correct
14 Incorrect 437 ms 7508 KB Output isn't correct
15 Halted 0 ms 0 KB -