Submission #955031

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
955031	2024-03-29 08:23:22	sleepntsheep	Self Study (JOI22_ho_t2)	C11	62 / 100	434 ms	13908 KiB

Main

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#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];
        if(take+bb[i]<2e18)
            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()
{
 
 
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Compilation message (stderr)

Main.c: In function 'main':
Main.c:31:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |     scanf("%d%d",&n,&m);
      |     ^~~~~~~~~~~~~~~~~~~
Main.c:32:26: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |     for(int i=1;i<=n;++i)scanf("%d",a+i);
      |                          ^~~~~~~~~~~~~~~
Main.c:33:26: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     for(int i=1;i<=n;++i)scanf("%d",b+i),a[i]=max_(a[i],b[i]);
      |                          ^~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 9