Submission #42768

#	Time	Username	Problem	Language	Result	Execution time	Memory
42768		yusufake	Game (IOI13_game)	C++98	80 / 100	8045 ms	256000 KiB

game

#include<bits/stdc++.h>
#include "game.h"
 
using namespace std;
 
#define _   int v, int tl, int tr
#define tm  (tl+tr >> 1)
#define sol L[v],tl,tm
#define sag R[v],tm+1,tr
 
#define mp make_pair
#define pb push_back
#define st first
#define nd second
 
typedef long long ll;
typedef pair < int , int > pp;
 
const int mod = 1e9 + 7;
const int N   = 22000 * 440;
 
int Y[N],L[N],R[N],posx,posy,lx,ly,rx,ry,id=1;
ll s[N],tt;
 
ll qry_y(_) { 
	if(ly > tr || ry < tl || !v) return 0;
	if (ly <= tl && tr <= ry) return s[v];
	return __gcd(qry_y(sol) , qry_y(sag));
}
ll qry_x(_) { 
	if(lx > tr || rx < tl) return 0;
	if (lx <= tl && tr <= rx) return qry_y(Y[v], 0, mod);
	return __gcd(qry_x(sol) , qry_x(sag));
}
 
void up_y(_, int r1, int r2, bool h){  // s[0] should contain ineffective element
	if(tl == tr){
		if(h) s[v] = tt;
		else s[v] = __gcd(s[r1] , s[r2]);
    	return;
	}
	if(posy > tm) { if(!R[v]) R[v] = ++id; up_y(sag,R[r1],R[r2],h); }
	else          { if(!L[v]) L[v] = ++id; up_y(sol,L[r1],L[r2],h); }
	s[v] = __gcd(s[ L[v] ] , s[ R[v] ]);
}
void up_x(_){
	if(tl < tr){
		if(posx > tm) { if(!R[v]) R[v] = ++id; up_x(sag); }
		else          { if(!L[v]) L[v] = ++id; up_x(sol); }
	}
	if(!Y[v]) Y[v] = ++id;
	up_y(Y[v],0,mod,Y[ L[v] ],Y[ R[v] ],(tl==tr));
}
 
void update(int x, int y, ll t){
	posx = x;
	posy = y;
	tt = t;
	up_x(1,0,mod);
}	
ll calculate(int a, int b, int a2, int b2){
	lx = a; ly = b;
	rx = a2; ry = b2;
	return qry_x(1,0,mod);
}	
 
void init(int a, int b) {}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^
game.cpp: In function 'll qry_y(int, int, int)':
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:8:21: note: in expansion of macro 'tm'
 #define sol L[v],tl,tm
                     ^
game.cpp:28:21: note: in expansion of macro 'sol'
  return __gcd(qry_y(sol) , qry_y(sag));
                     ^
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:9:18: note: in expansion of macro 'tm'
 #define sag R[v],tm+1,tr
                  ^
game.cpp:28:34: note: in expansion of macro 'sag'
  return __gcd(qry_y(sol) , qry_y(sag));
                                  ^
game.cpp: In function 'll qry_x(int, int, int)':
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:8:21: note: in expansion of macro 'tm'
 #define sol L[v],tl,tm
                     ^
game.cpp:33:21: note: in expansion of macro 'sol'
  return __gcd(qry_x(sol) , qry_x(sag));
                     ^
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:9:18: note: in expansion of macro 'tm'
 #define sag R[v],tm+1,tr
                  ^
game.cpp:33:34: note: in expansion of macro 'sag'
  return __gcd(qry_x(sol) , qry_x(sag));
                                  ^
game.cpp: In function 'void up_y(int, int, int, int, int, bool)':
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:42:12: note: in expansion of macro 'tm'
  if(posy > tm) { if(!R[v]) R[v] = ++id; up_y(sag,R[r1],R[r2],h); }
            ^
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:9:18: note: in expansion of macro 'tm'
 #define sag R[v],tm+1,tr
                  ^
game.cpp:42:46: note: in expansion of macro 'sag'
  if(posy > tm) { if(!R[v]) R[v] = ++id; up_y(sag,R[r1],R[r2],h); }
                                              ^
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:8:21: note: in expansion of macro 'tm'
 #define sol L[v],tl,tm
                     ^
game.cpp:43:46: note: in expansion of macro 'sol'
  else          { if(!L[v]) L[v] = ++id; up_y(sol,L[r1],L[r2],h); }
                                              ^
game.cpp: In function 'void up_x(int, int, int)':
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:48:13: note: in expansion of macro 'tm'
   if(posx > tm) { if(!R[v]) R[v] = ++id; up_x(sag); }
             ^
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:9:18: note: in expansion of macro 'tm'
 #define sag R[v],tm+1,tr
                  ^
game.cpp:48:47: note: in expansion of macro 'sag'
   if(posx > tm) { if(!R[v]) R[v] = ++id; up_x(sag); }
                                               ^
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
                ^
game.cpp:8:21: note: in expansion of macro 'tm'
 #define sol L[v],tl,tm
                     ^
game.cpp:49:47: note: in expansion of macro 'sol'
   else          { if(!L[v]) L[v] = ++id; up_x(sol); }
                                               ^

• Subtask 1: 10 / 10
• Subtask 2: 27 / 27
• Subtask 3: 26 / 26
• Subtask 4: 17 / 17
• Subtask 5: 0 / 20