Submission #26654

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
26654	2017-07-04 05:37:46	kajebiii	Bulldozer (JOI17_bulldozer)	C++14	100 / 100	799 ms	49920 KiB

bulldozer

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#include <stdio.h>
#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int (i)=0;(i)<(int)(n);(i)++)
#define REPO(i,n) for(int (i)=1; (i)<=(int)(n); (i)++)
#define SZ(v) ((int)(v).size())
#define ALL(v) (v).begin(),(v).end()
#define one first
#define two second
typedef long long ll;
typedef pair<int, int> pi;
const int INF = 0x3f2f1f0f;
const ll LINF = 1ll * INF * INF;
const int MAX_N = 2e3 + 100;
int sign(ll x) {return (x>0) - (x<0); }
struct PT {
  int x, y, c;
  PT() {}
  PT(int xx, int yy, int cc) : x(xx), y(yy), c(cc) {}
  PT operator-(const PT &o) const {return PT(x-o.x, y-o.y, 0); }
  ll cross(const PT &o) const{return 1ll * x * o.y - 1ll * y * o.x;}
  ll dot(const PT &o) const {return 1ll * x * o.x + 1ll * y * o.y;}
  int ccw(const PT &o) const {return sign(cross(o));}
  bool operator<(const PT &o) const {
    if(y != o.y) return y < o.y;
    return x < o.x;
 
 
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Compilation message (stderr)

bulldozer.cpp: In constructor 'LN::LN(int, int)':
bulldozer.cpp:40:28: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if(sl.y > 0 || sl.y == 0 && sl.x > 0) p = 0;
                  ~~~~~~~~~~^~~~~~~~~~~
bulldozer.cpp: In function 'int main()':
bulldozer.cpp:76:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x, y, c; scanf("%d%d%d", &x, &y, &c);
                ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 20 / 20
• Subtask 3: 35 / 35
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20