Submission #573709

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
573709	2022-06-07 05:46:43	Devigo	Experimental Charges (NOI19_charges)	C++14	Compilation error	0 ms	0 KiB

charges

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#include "bits/stdc++.h"
using namespace std;
#define int long long
 
const int w = 1000050;
int n, m;
char c;
vector<int> parent((int) 1e7), siz((int) 1e7, 1);
 
int findpar(int x) {
    if(x == parent[x]) return x;
    return parent[x] = findpar(parent[x]);
}
 
void unite(int x, int y) {
    x = findpar(x);
    y = findpar(y);
 
    if(x == y) return;
    if(siz[y] > siz[x]) swap(x, y);
 
    parent[y] = x;
    siz[x] += siz[y];
}
 
signed main() {
    cin >> n >> m;
    for(int i = 0; i < (int) 1e7; ++i) parent[i] = i;
 
    int x, y;
 
 
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Compilation message (stderr)

charges.cpp: In function 'int main()':
charges.cpp:43:13: error: 'r' was not declared in this scope
   43 |             r = findpar(x + w);
      |             ^
charges.cpp:40:23: warning: unused variable 's' [-Wunused-variable]
   40 |             int p, q, s;
      |                       ^