Submission #123922

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
123922	2019-07-02 09:41:08	gs14004	Examination (JOI19_examination)	C++17	100 / 100	510 ms	13436 KiB

examination

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#include <bits/stdc++.h>
using namespace std;
const int MAXN = 200005;
using lint = long long;
using pi = pair<int, int>;
struct pnt{
  int x, y, z, idx;
  bool operator<(const pnt &p)const{
    return make_tuple(x, y, z, idx) < make_tuple(p.x, p.y, p.z, p.idx);
  }
}a[MAXN];
struct foo{
  int x, y, idx;
  bool operator<(const foo &f)const{
    return pi(x, idx) < pi(f.x, f.idx);
  }
};
struct bit{
  int tree[MAXN];
  void add(int x, int v){
    while(x < MAXN){
      tree[x] += v; 
      x += x & -x;
    }
  }
  int query(int x){
    int ret = 0;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:63:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&q);
  ~~~~~^~~~~~~~~~~~~~~
examination.cpp:65:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x, y; scanf("%d %d",&x,&y);
             ~~~~~^~~~~~~~~~~~~~~
examination.cpp:69:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x, y, z; scanf("%d %d %d",&x,&y,&z);
                ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57