Submission #529173

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
529173	2022-02-22 10:52:45	ToroTN	Martian DNA (BOI18_dna)	C++14	100 / 100	63 ms	4568 KiB

dna

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#include<bits/stdc++.h>
using namespace std;
int n,m,t,want[200005],num1,num2,a[200005],st,md,ed,hsh[200005],cnt,type,kanttee;
int main()
{
    scanf("%d%d%d",&n,&m,&t);
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&a[i]);
        a[i]+=1;
    }
    for(int i=1;i<=t;i++)
    {
        scanf("%d%d",&num1,&num2);
        want[num1+1]=max(want[num1+1],num2);
    }
    st=1;
    ed=n;
    while(ed>=st)
    {
        type=-1;
        md=(st+ed)/2;
        //printf("%d %d %d\n",st,md,ed);
        kanttee=m-t;
        memset(hsh,0,sizeof hsh);
        for(int i=1;i<=md;i++)
        {
            ++hsh[a[i]];
            if(hsh[a[i]]==want[a[i]])
            {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

dna.cpp: In function 'int main()':
dna.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |     scanf("%d%d%d",&n,&m,&t);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
dna.cpp:9:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |         scanf("%d",&a[i]);
      |         ~~~~~^~~~~~~~~~~~
dna.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         scanf("%d%d",&num1,&num2);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 28 / 28
• Subtask 4: 32 / 32