Submission #369413

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
369413	2021-02-21 15:22:01	Sparky_09	Skyscraper (JOI16_skyscraper)	C++14	100 / 100	129 ms	51052 KiB

skyscraper

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#include "bits/stdc++.h"
using namespace std;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define trav(a, x) for(auto& a : x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<ll, ll> pii;
typedef vector<ll> vi;
typedef vector<pii> vpi;
int rd() {
  int result = 0;
  char ch;
  ch = getchar();
  while(ch < '0' || ch > '9') ch = getchar();
  result = ch-'0';
  while (true) {
    ch = getchar();
    if (ch < '0' || ch > '9') break;
    result = result*10 + (ch - '0');
  }
  return result;
}
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
void usaco(string s){
  freopen((s+".in").c_str(), "r", stdin);
 
 
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Compilation message (stderr)

skyscraper.cpp: In function 'void usaco(std::string)':
skyscraper.cpp:30:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   30 |   freopen((s+".in").c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:31:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   31 |   freopen((s+".out").c_str(), "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 80 / 80