제출 #534871

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
534871	2022-03-09 05:21:43	ComPhyPark	Fancy Fence (CEOI20_fancyfence)	C++14	27 / 100	356 ms	12996 KiB

fancyfence

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#include<cstdio>
#include<algorithm>
using namespace std;
typedef long long ll;
const ll M = 1000000007;
ll n;
ll h[101010], w[101010];
ll hst[303030], wst[303030];
void hinit(ll l, ll r, ll id) {
  if (l == r) {
    hst[id] = h[l];
    return;
  }
  ll m = (l + r) / 2;
  hinit(l, m, 2 * id);
  hinit(m + 1, r, 2 * id + 1);
  hst[id] = min(hst[2 * id], hst[2 * id + 1]);
}
void winit(ll l, ll r, ll id) {
  if (l == r) {
    wst[id] = w[l];
    return;
  }
  ll m = (l + r) / 2;
  winit(l, m, 2 * id);
  winit(m + 1, r, 2 * id + 1);
  wst[id] = wst[2 * id] + wst[2 * id + 1];
}
ll hqry(ll l, ll r, ll id, ll s, ll e) {
  if (l > e || s > r)return M;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

fancyfence.cpp: In function 'int main()':
fancyfence.cpp:67:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |  scanf("%lld", &n);
      |  ~~~~~^~~~~~~~~~~~
fancyfence.cpp:69:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |   scanf("%lld", &h[i]);
      |   ~~~~~^~~~~~~~~~~~~~~
fancyfence.cpp:72:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |   scanf("%lld", &w[i]);
      |   ~~~~~^~~~~~~~~~~~~~~

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