Submission #518278

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
518278	2022-01-23 10:11:20	brayden04	Experimental Charges (NOI19_charges)	C++14	18 / 100	94 ms	4864 KiB

charges

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#include <bits/stdc++.h>
#define endl '\n'
#define int long long
using namespace std;
int N, Q;
map<int, int> charges;
signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0); cout.tie(0);
  cin >> N >> Q;
  for (int i = 0; i < Q; i++){
    string T = "";
    int A = 0;
    int B = 0;
    cin >> T >> A >> B;
    if (T == "A"){
      if (charges[A] == 0 && charges[B] == 0){
        charges[A] = 1;
        charges[B] = -1;
      }
      else if (charges[A] == 1){
        charges[B] = -1;
      }
      else if (charges[A] == -1){
 
 
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