Submission #795900

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
795900	2023-07-27 21:08:18	prefixorsuuffiixx	Examination (JOI19_examination)	C++14	100 / 100	1408 ms	6488 KiB

examination

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 #include <bits/stdc++.h>
    #pragma GCC target ("avx2")
    #pragma GCC optimize("O3")
    #pragma GCC optimize("Ofast,unroll-loops")
    using namespace std;
    static struct FastInput {
  static constexpr int BUF_SIZE = 1 << 20;
  char buf[BUF_SIZE];
  size_t chars_read = 0;
  size_t buf_pos = 0;
  FILE *in = stdin;
  char cur = 0;
  inline char get_char() {
    if (buf_pos >= chars_read) {
      chars_read = fread(buf, 1, BUF_SIZE, in);
      buf_pos = 0;
      buf[0] = (chars_read == 0 ? -1 : buf[0]);
    }
    return cur = buf[buf_pos++];
  }
  inline void tie(int) {}
  inline explicit operator bool() {
    return cur != -1;
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:114:53: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
  114 |             for (int i = 0; i < n; i++)ans += (a[i] >= x & b[i] >= y & a[i]+b[i]>=z);
      |                                                ~~~~~^~~~
examination.cpp:114:81: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
  114 |             for (int i = 0; i < n; i++)ans += (a[i] >= x & b[i] >= y & a[i]+b[i]>=z);
      |                                                                        ~~~~~~~~~^~~
examination.cpp:109:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  109 |         scanf("%d %d" , &n , &m);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
examination.cpp:110:37: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  110 |         for (int i = 0;i<n;i++)scanf("%d %d" , &a[i] , &b[i]);
      |                                ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:113:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  113 |             scanf("%d %d %d" , &x , &y , &z);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

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