Submission #753306

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
753306	2023-06-05 03:28:13	boyliguanhan	Tug of War (BOI15_tug)	C++17	Compilation error	0 ms	0 KiB

tug

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#include<bits/stdc++.h>
#define doi(i) if(!adj[i].size()) {cout << "NO\n";return 0;}if(adj[i].size()<2) {q.push(i);sum+=(i>n/2?1:-1)*((*begin(adj[i])).second);}
#define shift(x) ((x)>0?bt<<(x):bt>>(-x))
using namespace std;
multiset<pair<int, int>> adj[200100];
queue<int> q;
bool del[200100];
bitset<1200000> bt;
int tot;
void dfs(int n, int N) {
  if (del[n]) return;
  del[n] = true;
  int nxt, cost;
  tie(nxt, cost) = *adj[n].begin();
    if(nxt>N)
      tot += cost;
    else
        tot-=cost;
  if (!del[nxt]) {
    adj[nxt].erase({n, cost});
    adj[n].clear();
    dfs(nxt, N);
  }
}
int main() {
    cin.sync_with_stdoi(false);
    cin.tie(nullptr);
    int n, k, sum = 0;
    cin >> n >> k;
    n*=2;
 
 
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Compilation message (stderr)

tug.cpp: In function 'void dfs(int, int)':
tug.cpp:17:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   17 |     else
      |     ^~~~
tug.cpp:19:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   19 |  if (!del[nxt]) {
      |  ^~
tug.cpp: In function 'int main()':
tug.cpp:26:9: error: 'std::istream' {aka 'class std::basic_istream<char>'} has no member named 'sync_with_stdoi'; did you mean 'sync_with_stdio'?
   26 |     cin.sync_with_stdoi(false);
      |         ^~~~~~~~~~~~~~~
      |         sync_with_stdio