답안 #572401

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
572401	2022-06-04T10:37:01 Z	MODDI	Pilot (NOI19_pilot)	C++14	컴파일 오류	0 ms	0 KB

pilot

#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vi vector<int>
#define vl vector<ll>
#define mp make_pair
#define pb push_back
using namespace std;
const int maxn = 1e6 + 5;
int n, q;
ll parent[maxn];
ll sz[maxn];
bool on[maxn];
ll find(int x) {return x == parent[x]?x:parent[x] = find(parent[x]);}
ll rez = 0;
void mrg(int a, int b) {
    a = find(a); b = find(b);
    if (a == b) return;
    re -= sz[a] * (sz[a]+1) / 2;
    re -= sz[b] * (sz[b]+1) / 2;
    sz[a] += sz[b];
    re += sz[a] * (sz[a]+1) / 2;
    par[b] = a;
}
vl G[maxn];
ll ans[maxn];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	cin>>n>>q;
	for(int i = 0; i < n; i++){
		parent[i] = i;
		sz[i] = 1;
		int a;
		cin>>a;
		G[a].pb(i);
	}
	for(int i = 1; i <= 1000000; i++){
		for(int x : G[i]){
			++rez;
			on[x] = 1;
			if(x && on[x-1]) mrg(x, x-1);
			if(x != n-1 && on[x+1]) mrg(x, x + 1);
		}
		ans[i] = rez;
	}
	for(int i = 0; i < q; i++){
		int a;
		cin>>a;
		cout<<ans[a]<<endl;
	}
}

Compilation message

pilot.cpp: In function 'void mrg(int, int)':
pilot.cpp:20:5: error: 're' was not declared in this scope; did you mean 'rez'?
   20 |     re -= sz[a] * (sz[a]+1) / 2;
      |     ^~
      |     rez
pilot.cpp:24:5: error: 'par' was not declared in this scope
   24 |     par[b] = a;
      |     ^~~