Submission #270497

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
270497	2020-08-17 16:41:45	cgiosy	Bulldozer (JOI17_bulldozer)	C++17	75 / 100	608 ms	31992 KiB

bulldozer

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#include <bits/stdc++.h>
using namespace std;
using ll=long long;
struct node {
  ll mx, lm, rm, sum;
  node operator+(const node R) const {
    return {
      max({mx, R.mx, rm+R.lm}),
      max(lm, sum+R.lm),
      max(R.rm, rm+R.sum),
      sum+R.sum
    };
  }
};
struct spot {
  int x, y, w;
  bool operator<(const spot R) const {
    return x<R.x || x==R.x && y<R.y;
  }
};
struct event {
  int x, y, i, j;
  bool operator<(const event R) const {
    ll a=ll(x)*R.y, b=ll(y)*R.x;
    return a<b || a==b && (i<R.i || i==R.i && j<R.j);
  }
};
int main() {
  ios::sync_with_stdio(0);cin.tie(0);
 
 
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Compilation message (stderr)

bulldozer.cpp: In member function 'bool spot::operator<(spot) const':
bulldozer.cpp:19:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   19 |   return x<R.x || x==R.x && y<R.y;
      |                   ~~~~~~~^~~~~~~~
bulldozer.cpp: In member function 'bool event::operator<(event) const':
bulldozer.cpp:26:42: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   26 |   return a<b || a==b && (i<R.i || i==R.i && j<R.j);
      |                                   ~~~~~~~^~~~~~~~
bulldozer.cpp:26:22: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   26 |   return a<b || a==b && (i<R.i || i==R.i && j<R.j);
      |                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bulldozer.cpp: In function 'int main()':
bulldozer.cpp:33:19: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   33 |  const int M=1<<32-__builtin_clz(N);
      |                 ~~^~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 20 / 20
• Subtask 3: 35 / 35
• Subtask 4: 20 / 20
• Subtask 5: 0 / 20