Submission #448312

#	Time	Username	Problem	Language	Result	Execution time	Memory
448312		MOUF_MAHMALAT	Tenis (COI19_tenis)	C++14	21 / 100	86 ms	6436 KiB

tenis

#include<bits/stdc++.h>
#define all(s) s.begin(),s.end()
using namespace std;
typedef int ll;
ll n,q,a[100009][4],id[100009][4],t,op[4],x,y,z;
queue<ll>dq;
bool b[100009];
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    scanf("%d%d",&n,&q);
    for(ll j=1; j<=3; j++)
        for(ll i=1; i<=n; i++)
        {
            scanf("%d",&a[i][j]);
            id[a[i][j]][j]=i;
        }
    for(ll j=1; j<=3; j++)
        dq.push(a[1][j]),b[a[1][j]]=1;
    while(!dq.empty())
    {
        t=dq.front();
        dq.pop();
        for(ll j=1; j<=3; j++)
        {
            for(ll i=op[j]+1; i<id[t][j]; i++)
            {
                dq.push(a[i][j]);
                b[a[i][j]]=1;
            }
            op[j]=max(op[j],id[t][j]);
        }
    }
    while(q--)
    {
        scanf("%d%d",&t,&x);
        if(b[x]==0)
            printf("NE\n");
        else
            printf("DA\n");
    }
    return 0;
}

Compilation message (stderr)

tenis.cpp: In function 'int main()':
tenis.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d%d",&n,&q);
      |     ~~~~~^~~~~~~~~~~~~~
tenis.cpp:17:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |             scanf("%d",&a[i][j]);
      |             ~~~~~^~~~~~~~~~~~~~~
tenis.cpp:38:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         scanf("%d%d",&t,&x);
      |         ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 21 / 21
• Subtask 5: 0 / 49