제출 #141102

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
141102	2019-08-06 17:50:37	tincamatei	Safety (NOI18_safety)	C++14	100 / 100	76 ms	3684 KiB

safety

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#include <bits/stdc++.h>
const int MAX_N = 200000;
using namespace std;
struct Hull {
  int sign;
  priority_queue<long long> pq;
  long long lazy;
  Hull(int x):sign(x) {
    lazy = 0LL;
  }
  void insert(long long x) {
    pq.push((x - lazy) * sign);
  }
  void erase() {
    pq.pop();
  }
  long long top() {
    return max(0LL, pq.top() * sign + lazy);
  }
  void add(long long val) {
    lazy += val;
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

safety.cpp: In function 'int main()':
safety.cpp:37:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &H);
  ~~~~~^~~~~~~~~~~~~~~~
safety.cpp:38:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &x);
  ~~~~~^~~~~~~~~~
safety.cpp:44:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
   ~~~~~^~~~~~~~~~

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