제출 #295400

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
295400	2020-09-09 16:22:45	patrikpavic2	운세 보기 2 (JOI14_fortune_telling2)	C++17	100 / 100	1079 ms	95116 KiB

fortune_telling2

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#include <cstdio>
#include <vector>
#include <algorithm>
#define PB push_back
using namespace std;
typedef long long ll;
typedef vector < int > vi;
const int N = 6e5 + 500;
const int OFF = (1 << 20);
int n, q, A[N], B[N], Q[N];
int loga[N], l_siz, izb[N];
vi saz, T[2 * OFF];
void add(int x){
  l_siz++;
  for(x += 5 ; x < N ; x += x & -x)
    loga[x]++;
}
int query(int x){
  x--;
  int ret = 0;
  for(x += 5 ; x ; x -= x & -x)
    ret += loga[x];
  return l_siz - ret;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:63:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   63 |  scanf("%d%d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~
fortune_telling2.cpp:65:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   65 |   scanf("%d%d", A + i, B + i);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:69:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   69 |   scanf("%d", Q + i);
      |   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 31 / 31
• Subtask 3: 65 / 65