제출 #799340

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
799340		BidoTeima	새로운 문제 (POI11_pat)	C++17	0 / 100	374 ms	32420 KiB

pat

#include <bits/stdc++.h> 
typedef long long ll;
using namespace std;  
const int N = 1e6 + 4;
vector<int>mn,mx,color;
ll st[4 * N];
void build(int l, int r, int node){
    if(l == r){
        st[node] = 1<<color[l];
        return;
    }
    int mid = (l + r) >> 1;
    build(l, mid, 2 * node + 1);
    build(mid + 1, r, 2 * node + 2);
    st[node] = st[2 * node + 1] | st[2 * node + 2];
}
ll query(int ql, int qr, int l, int r, int node){
    if(l > qr || r < ql)
        return 0;
    if(ql <= l && r <= qr){
        return st[node];
    }
    int mid = (l + r) >> 1;
    return query(ql, qr, l, mid, 2 * node + 1) | query(ql, qr, mid + 1, r, 2 * node + 2);
}
int main() {      
    int k;
    cin>>k;
    vector<pair<int,int>>arr;
    for(int i = 0; i < k; i++){
        int n;
        cin>>n;
        for(int j = 0; j < n; j++){
            int w;
            cin>>w;
            arr.push_back(make_pair(w, i));
        }
    }
    sort(arr.begin(), arr.end()); 
    int curmn=arr[0].first,curmx=arr[0].first,curc=arr[0].second;
    for(int i = 1; i < (int)arr.size(); i++){
        if(arr[i].second != arr[i - 1].second){
            mn.push_back(curmn);
            mx.push_back(curmx);
            color.push_back(curc);
            curmn=curmx=arr[i].first,curc=arr[i].second;
        }
    }
    mn.push_back(curmn);
    mx.push_back(curmx);
    color.push_back(curc);
    int n = (int)color.size();
    
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

pat.cpp: In function 'int main()':
pat.cpp:52:9: warning: unused variable 'n' [-Wunused-variable]
   52 |     int n = (int)color.size();
      |         ^

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