Submission #122045

#	Time	Username	Problem	Language	Result	Execution time	Memory
122045		yusufake	Game (IOI13_game)	C++98	0 / 100	4 ms	384 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 * 25 * 25;
 
//int Y[N],L[N],R[N],id=-1;
//ll s[N];

vector< int > Y,L,R; 
vector< long long > s;

// 0 is empty node 
// s[0] should be ineffective element
// Y[0], L[0], and R[0] should be 0
// 1 is the root of the -x axis segment tree
// Y[v] is the root of the segment tree of the interval that corresponds to node 'v' in -x axis segment tree
 
ll gcd(ll u, ll v) {
    ll r;
    while (v != 0) { r = u % v; u = v; v = r; }
    return u;
} 

int nevv(){
    //return ++id;
    s.pb(0); L.pb(0); R.pb(0); Y.pb(0);
    return (int)s.size()-1;    
}

ll qry_y(_, int ly, int ry) { 
	if(ly > tr || ry < tl || !v) return 0;
	if (ly <= tl && tr <= ry) return s[v];
	return gcd(qry_y(sol,ly,ry) , qry_y(sag,ly,ry));
}
ll qry_x(_, int lx, int rx, int ly, int ry) { 
	if(lx > tr || rx < tl) return 0;
	if (lx <= tl && tr <= rx) return qry_y(Y[v], 0, mod, ly, ry);
	return gcd(qry_x(sol,lx,rx,ly,ry) , qry_x(sag,lx,rx,ly,ry));
}
 
void up_y(_, int posy, int r1, int r2, ll t){  
    if(tl == tr){
		s[v] = t == -1 ? gcd(s[r1] , s[r2]) : t;
		return;
	}
	if(posy > tm) { if(!R[v]) R[v] = nevv(); up_y(sag,posy,R[r1],R[r2],t); }
	else          { if(!L[v]) L[v] = nevv(); up_y(sol,posy,L[r1],L[r2],t); }
	s[v] = gcd(s[ L[v] ] , s[ R[v] ]);
}
void up_x(_, int posx, int posy, ll t){
	if(tl < tr){
		if(posx > tm) { if(!R[v]) R[v] = nevv(); up_x(sag,posx,posy,t); }
		else          { if(!L[v]) L[v] = nevv(); up_x(sol,posx,posy,t); }
	}
	if(!Y[v]) Y[v] = nevv();
	up_y(Y[v],0,mod,posy,Y[ L[v] ],Y[ R[v] ],(tl==tr?t:-1));
}
 
 
void update(int posx, int posy, ll t){
	up_x(1,0,mod,posx,posy,t);
}	
 
ll calculate(int lx, int ly, int rx, int ry){
	return qry_x(1,0,mod,lx,rx,ly,ry);
}	
 
void init(int a, int b) {
    s.clear(); Y.clear(); L.clear(); R.clear();
    nevv();
    nevv();
}

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, 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:49:19: note: in expansion of macro 'sol'
  return gcd(qry_y(sol,ly,ry) , qry_y(sag,ly,ry));
                   ^~~
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:49:38: note: in expansion of macro 'sag'
  return gcd(qry_y(sol,ly,ry) , qry_y(sag,ly,ry));
                                      ^~~
game.cpp: In function 'll qry_x(int, int, int, int, 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:54:19: note: in expansion of macro 'sol'
  return gcd(qry_x(sol,lx,rx,ly,ry) , qry_x(sag,lx,rx,ly,ry));
                   ^~~
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:54:44: note: in expansion of macro 'sag'
  return gcd(qry_x(sol,lx,rx,ly,ry) , qry_x(sag,lx,rx,ly,ry));
                                            ^~~
game.cpp: In function 'void up_y(int, int, int, int, int, int, ll)':
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
              ~~^~
game.cpp:62:12: note: in expansion of macro 'tm'
  if(posy > tm) { if(!R[v]) R[v] = nevv(); up_y(sag,posy,R[r1],R[r2],t); }
            ^~
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:62:48: note: in expansion of macro 'sag'
  if(posy > tm) { if(!R[v]) R[v] = nevv(); up_y(sag,posy,R[r1],R[r2],t); }
                                                ^~~
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:63:48: note: in expansion of macro 'sol'
  else          { if(!L[v]) L[v] = nevv(); up_y(sol,posy,L[r1],L[r2],t); }
                                                ^~~
game.cpp: In function 'void up_x(int, int, int, int, int, ll)':
game.cpp:7:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm  (tl+tr >> 1)
              ~~^~
game.cpp:68:13: note: in expansion of macro 'tm'
   if(posx > tm) { if(!R[v]) R[v] = nevv(); up_x(sag,posx,posy,t); }
             ^~
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:68:49: note: in expansion of macro 'sag'
   if(posx > tm) { if(!R[v]) R[v] = nevv(); up_x(sag,posx,posy,t); }
                                                 ^~~
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:69:49: note: in expansion of macro 'sol'
   else          { if(!L[v]) L[v] = nevv(); up_x(sol,posx,posy,t); }
                                                 ^~~

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