Submission #21011

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
21011	2017-03-29 09:37:50	model_code	Long Distance Coach (JOI17_coach)	C++11	100 / 100	419 ms	20716 KiB

coach

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#include <cstdio>
#include <cstdlib>
#include <set>
#include <functional>
#include <algorithm>
using namespace std;
typedef long long Int;
const int MAXN = 500050;
const Int INFLL = 1001001001001001001LL;
template<typename T> void chmin(T& a, T b) { if (a > b) a = b; }
template<typename T> void chmax(T& a, T b) { if (a < b) a = b; }
int in() { int x; scanf("%d", &x); return x; }
Int lin() { Int x; scanf("%lld", &x); return x; }
struct CHT {
  typedef pair<Int, Int> line;
  struct comp {
    bool operator() (const line& a, const line& b) {
      return a.first != b.first ? a.first > b.first : a.second < b.second;
    }
  };
  set<line, comp> lines;
  CHT() {
    lines.emplace(INFLL, INFLL);
    lines.emplace(0, INFLL + 1);
 
 
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Compilation message (stderr)

coach.cpp: In function 'int in()':
coach.cpp:16:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 int in() { int x; scanf("%d", &x); return x; }
                                  ^
coach.cpp: In function 'Int lin()':
coach.cpp:17:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 Int lin() { Int x; scanf("%lld", &x); return x; }
                                     ^

• Subtask 1: 16 / 16
• Subtask 2: 30 / 30
• Subtask 3: 25 / 25
• Subtask 4: 29 / 29