Submission #162580

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
162580	2019-11-08 20:11:33	MvC	Political Development (BOI17_politicaldevelopment)	C++11	100 / 100	837 ms	29932 KiB

politicaldevelopment

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#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef pair<int, int> pi;
vector<int> gph[50005];
set<pi> edgs;
bool vis[50005];
int deg[50005];
int n;
int main(){
  scanf("%d %*d",&n);
  priority_queue<pi, vector<pi>, greater<pi> > pq;
  for(int i=0; i<n; i++){
    scanf("%d",&deg[i]);
    gph[i].resize(deg[i]);
    pq.push(pi(deg[i], i));
    for(auto &j : gph[i]){
      scanf("%d",&j);
      edgs.insert(pi(i, j));
    }
  }
  int ans = 0;
  while(true){
    while(!pq.empty() && vis[pq.top().second]) pq.pop();
    if(pq.empty()) break;
    int w = pq.top().second;
    vis[w] = 1;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:43:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0; i<v.size(); i++){
                ~^~~~~~~~~
politicaldevelopment.cpp:45:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0; j<v.size(); j++){
                 ~^~~~~~~~~
politicaldevelopment.cpp:54:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0; j<v.size(); j++){
                 ~^~~~~~~~~
politicaldevelopment.cpp:57:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int k=0; k<v.size(); k++){
                  ~^~~~~~~~~
politicaldevelopment.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %*d",&n);
  ~~~~~^~~~~~~~~~~~~
politicaldevelopment.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&deg[i]);
   ~~~~~^~~~~~~~~~~~~~
politicaldevelopment.cpp:21:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&j);
    ~~~~~^~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 12 / 12
• Subtask 3: 23 / 23
• Subtask 4: 38 / 38
• Subtask 5: 23 / 23