Submission #130983

#	Time	Username	Problem	Language	Result	Execution time	Memory
130983		mirbek01	Teams (IOI15_teams)	C++11	13 / 100	4086 ms	32028 KiB

teams

# include "teams.h"
//# include "grader.cpp"
# include <bits/stdc++.h>

using namespace std;

vector < pair <int, int> > v;

void init(int N, int A[], int B[]) {
      for(int i = 0; i < N; i ++)
            v.emplace_back(make_pair(B[i], A[i]));
      sort(v.begin(), v.end());
}

int can(int M, int K[]) {
      sort(K, K + M);
      set < pair <int, int> > st;
      int pt = 0;
      for(int i = 0; i < M; i ++){
            int x = K[i];
            while(pt < v.size() && x > 0){
                  st.insert({v[pt].second, pt});
                  pt ++;
                  while(x > 0 && !st.empty()){
                        pair <int, int> p = *st.begin();
                        if(p.first <= K[i] && K[i] <= v[p.second].first){
                              st.erase(st.begin());
                              x --;
                        } else {
                              if(v[p.second].first < K[i]){
                                    st.erase(st.begin());
                              } else {
                                    break;
                              }
                        }
                  }
            }
            while(x > 0 && !st.empty()){
                  pair <int, int> p = *st.begin();
                  if(p.first <= K[i] && K[i] <= v[p.second].first){
                        st.erase(st.begin());
                        x --;
                  } else {
                        if(v[p.second].first < K[i]){
                              st.erase(st.begin());
                        } else {
                              break;
                        }
                  }
            }
            if(x > 0)
                  return 0;
      }

      return 1;
}

Compilation message (stderr)

teams.cpp: In function 'int can(int, int*)':
teams.cpp:21:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             while(pt < v.size() && x > 0){
                   ~~~^~~~~~~~~~

• Subtask 1: 0 / 21
• Subtask 2: 13 / 13
• Subtask 3: 0 / 43
• Subtask 4: 0 / 23