Submission details
Task:Targeted advertising
Sender:aalto26dm_038
Submission time:2026-09-21 16:57:34 +0300
Language:C++ (C++20)
Status:COMPILE ERROR

Compiler report

input/code.cpp: In function 'long long int MAIN()':
input/code.cpp:109:13: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
  109 | int32_t main(){
      |             ^~
input/code.cpp:109:13: note: remove parentheses to default-initialize a variable
  109 | int32_t main(){
      |             ^~
      |             --
input/code.cpp:109:13: note: or replace parentheses with braces to value-initialize a variable
input/code.cpp:109:15: error: a function-definition is not allowed here before '{' token
  109 | int32_t main(){
      |               ^
input/code.cpp:115:2: error: expected '}' at end of input
  115 | }
      |  ^
input/code.cpp:91:11: note: to match this '{'
   91 | int MAIN(){
      |           ^
input/code.cpp:115:2: warning: control reaches end of non-void function [-Wreturn-type]
  115 | }
      |  ^

Code

#include<bits/stdc++.h>
//#include<unordered_set>
#pragma GCC optimize("Ofast")
using namespace std;
#define int long long
#define die(x) return cout << x << endl, 0
#define FI first
#define SE second
#define all(o) o.begin(), o.end()
#define endl '\n'
#define IOS ios::sync_with_stdio(0), cin.tie(0)
#define FILE freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define SZ(x) ((int)(x).size())
#define PB push_back
#define PF push_front
#define POB pop_back
#define POF pop_front
#define MP make_pair
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef map<int,int> mpi;
typedef set<int> sti;
typedef vector<pii> vii;
typedef map<pii,int> mpii;
typedef set<pii> stii;
typedef long double ld;
typedef long long ll;
int gcd(int x,int y){ return (!y ? x : gcd(y, x%y)); }
int power(int x, int y) { return (!y ? 1 : power(x, y / 2) * power(x, y / 2) * (y % 2 ? x : 1)); }
int to_int(string sconvert){stringstream geek(sconvert);int xconvert = 0; geek >> xconvert; return xconvert;}
int fastMax(int x, int y) { return (((y-x)>>(32-1))&(x^y))^y; }
int fastMin(int x, int y) { return (((y-x)>>(32-1))&(x^y))^x; }
const int MAXN=2e5+30,MAX_LOG=30,MOD=1e9+7,INF=1e9;
const double PI = acos(-1);
int mod(int x) { return (x % MOD + MOD) % MOD; }
int n, q;
// int s[MAXN*4+1],lazy[4*MAXN+1],rq[MAXN*4+1];
// int a[MAXN],ans[MAXN];
// void build(int id=1,int l=0,int r=n){
//     if(r-l<2){
//         s[id]=a[l];
//         rq[id]=a[l];
//         return;
//     }
//     int mid=(l+r)/2;
//     build(id*2,l,mid);build(id*2+1,mid,r);
//     s[id]=s[id*2]+s[id*2+1];
//     rq[id]=min(rq[id*2],rq[id*2+1]);
// }
// void upd(int id,int l,int r,int x){
//     lazy[id]+=x;
//     rq[id]+=x;
//     s[id]+=(r-l)*x;
// }
// void shift(int id,int l,int r){
//     int mid=(l+r)/2;
//     upd(id*2,l,mid,lazy[id]);
//     upd(id*2+1,mid,r,lazy[id]);
//     lazy[id]=0;
// }
// void add(int x,int y,int v,int id=1,int l=0,int r=n){
//     if(x>=r || l>=y)return;
//     if(x<=l && r<=y){
//         upd(id,l,r,v);
//         return;
//     }
//     shift(id,l,r);
//     int mid=(l+r)/2;
//     add(x,y,v,id*2,l,mid);
//     add(x,y,v,id*2+1,mid,r);
//     s[id]=s[id*2]+s[id*2+1];
//     rq[id]=min(rq[id*2],rq[id*2+1]);
// }
// int sum(int x,int y,int id=1,int l=0,int r=n){
//     if(x>=r || l>=y)return 0;
//     if(x<=l && r<=y)return s[id];
//     shift(id,l,r);
//     int mid=(l+r)/2;
//     return sum(x,y,id*2,l,mid)+sum(x,y,id*2+1,mid,r);
// }
// int rmq(int x,int y,int id=1,int l=0,int r=n){
//     if(x>=r || l>=y)return INF*INF;
//     if(x<=l && r<=y)return rq[id];
//     shift(id,l,r);
//     int mid=(l+r)/2;
//     return min(rmq(x,y,id*2,l,mid),rmq(x,y,id*2+1,mid,r));
// }

int a[MAXN];
vector<int> positions[MAXN];
int MAIN(){
    int k;
    cin>>n>>k>>q;
    for (int i = 0; i < n; i++){
        cin>>a[i];
        positions[a[i]].push_back(i + 1);
    }

    for (int i = 0; i < q; i++){
        int left, right, interest;
        cin>>left>>right>>interest;
        vector<int>::iterator first = lower_bound(positions[interest].begin(), positions[interest].end(), left);
        vector<int>::iterator last = upper_bound(positions[interest].begin(), positions[interest].end(), right);
        cout<<(last - first)<<endl;
    

    return 0;
}
int32_t main(){
    IOS;
    int t=1;
    //cin>>t;
    while(t--)MAIN();
    return 0;
}