제출 #467146

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
467146	2021-08-21 19:26:39	radaiosm7	Exam (eJOI20_exam)	C++98	12 / 100	29 ms	3096 KiB

exam

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#include <bits/stdc++.h>
using namespace std;
int n, i, j, l, r;
int a[100005];
int b[100005];
int c[100005];
int v[100005];
int seg[400020];
bool lazy[400020];
int dp[5005];
void Update(int from, int to, int start=0, int ende=n-1, int indx=1) {
  if (lazy[indx]) return;
  if (from == start && to == ende) {
    seg[indx] = to-from+1;
    lazy[indx] = true;
    return;
  }
  int mid = (start+ende)/2;
  if (to <= mid) Update(from, to, start, mid, 2*indx);
  else if (from > mid) Update(from, to, mid+1, ende, 2*indx+1);
  else {
    Update(from, mid, start, mid, 2*indx);
    Update(mid+1, to, mid+1, ende, 2*indx+1);
  }
  seg[indx] = seg[2*indx]+seg[2*indx+1];
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

exam.cpp: In function 'int main()':
exam.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |   scanf("%d", &n);
      |   ~~~~~^~~~~~~~~~
exam.cpp:33:30: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |   for (i=0; i < n; ++i) scanf("%d", &a[i]);
      |                         ~~~~~^~~~~~~~~~~~~
exam.cpp:34:30: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |   for (i=0; i < n; ++i) scanf("%d", &b[i]);
      |                         ~~~~~^~~~~~~~~~~~~

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