Submission #472883

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
472883	2021-09-14T12:40:57 Z	MamdouhN	Deda (COCI17_deda)	C++14	Compilation error	0 ms	0 KB

deda

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"

int n,q;
int seg[600005];
int uwu = 927168292;

void update(int idx,int st,int en,int i,int value)
{
    if(en<i||st>i)return;
    if(st==en)
    {
        seg[idx] = value;
        return;
    }
    int mid = (st+en)/2;
    update(idx*2,st,mid,i,value);
    update(idx*2+1,mid+1,en,i,value);
    seg[idx]=min(seg[idx*2],seg[idx*2+1]);
}

int query(int idx,int st,int en,int qs,int y)
{
    if(en<qs||st>n)return uwu;
    if(seg[idx]>y)return uwu;
    if(st==en)return (seg[idx]==0?uwu:st);
    int mid = (st+en)/2;
    int left  = query(idx*2,st,mid,qs,qe,y);
    int right = query(idx*2+1,mid+1,en,qs,qe,y);
    return min(left,right);
}

main()
{
    cin>>n>>q;
    while(q--)
    {
        char c;
        int a,b;
        cin>>c>>a>>b;
        if(c=='M')
        {
            update(1,0,n,b,a);
        }
        else
        {
            int ans = query(1,0,n,b,a);
            cout<<(ans==uwu ? -1:ans)<<endl;
        }
    }
}

Compilation message

deda.cpp: In function 'long long int query(long long int, long long int, long long int, long long int, long long int)':
deda.cpp:30:39: error: 'qe' was not declared in this scope; did you mean 'qs'?
   30 |     int left  = query(idx*2,st,mid,qs,qe,y);
      |                                       ^~
      |                                       qs
deda.cpp: At global scope:
deda.cpp:35:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   35 | main()
      | ^~~~