#include<bits/stdc++.h>
#include "game.h"
using namespace std;
#define tm (p->tl+p->tr >> 1)
#define mp make_pair
#define pb push_back
#define st first
#define nd second
typedef long long ll;
const int mod = 1e9 + 7;
const int N = 2e5 + 5;
inline ll gcd(ll u, ll v) {
ll r;
while (v != 0) { r = u % v; u = v; v = r; }
return u;
}
struct node{
ll x;
int tl, tr;
struct node *l, *r, *to_y;
node(int a, int b) { x = 0; tl = a; tr = b; l = r = to_y = NULL; }
};
ll qry_y(node* p, int ly, int ry) {
if(p == NULL || ly > p->tr || ry < p->tl) return 0;
if (ly <= p->tl && p->tr <= ry) return p->x;
return gcd(qry_y(p->l,ly,ry) , qry_y(p->r,ly,ry));
}
ll qry_x(node* p, int lx, int rx, int ly, int ry) {
if(p == NULL || lx > p->tr || rx < p->tl) return 0;
if (lx <= p->tl && p->tr <= rx) return qry_y(p->to_y,ly,ry);
return gcd(qry_x(p->l,lx,rx,ly,ry) , qry_x(p->r,lx,rx,ly,ry));
}
void up_y(node* p, int py, ll val){
if(p->tl == p->tr){ p->x = val; return; }
if(py > tm) { if(p->r == NULL) p->r = new node(tm+1,p->tr); up_y(p->r,py,val); }
else { if(p->l == NULL) p->l = new node(p->tl,tm); up_y(p->l,py,val); }
p->x = gcd(p->l ? p->l->x : 0 , p->r ? p->r->x : 0);
}
void up_x(node* p, int px, int py, ll val){
if(p->tl < p->tr){
if(px > tm) { if(p->r == NULL) p->r = new node(tm+1,p->tr); up_x(p->r,px,py,val); }
else { if(p->l == NULL) p->l = new node(p->tl,tm); up_x(p->l,px,py,val); }
val = gcd(p->l ? qry_y(p->l->to_y,py,py) : 0 , p->r ? qry_y(p->r->to_y,py,py) : 0);
}
if(p->to_y == NULL) p->to_y = new node(0,mod); up_y(p->to_y,py,val);
}
node* root;
void update(int x, int y, ll val){
up_x(root,x,y,val);
}
inline ll calculate(int lx, int ly, int rx, int ry){
return qry_x(root,lx,rx,ly,ry);
}
void init(int a, int b) { root = new node(0,mod); }
//int main(){}
Compilation message
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 'void up_y(node*, int, ll)':
game.cpp:6:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
#define tm (p->tl+p->tr >> 1)
~~~~~^~~~~
game.cpp:43:14: note: in expansion of macro 'tm'
if(py > tm) { if(p->r == NULL) p->r = new node(tm+1,p->tr); up_y(p->r,py,val); }
^~
game.cpp:6:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
#define tm (p->tl+p->tr >> 1)
~~~~~^~~~~
game.cpp:43:53: note: in expansion of macro 'tm'
if(py > tm) { if(p->r == NULL) p->r = new node(tm+1,p->tr); up_y(p->r,py,val); }
^~
game.cpp:6:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
#define tm (p->tl+p->tr >> 1)
~~~~~^~~~~
game.cpp:44:59: note: in expansion of macro 'tm'
else { if(p->l == NULL) p->l = new node(p->tl,tm); up_y(p->l,py,val); }
^~
game.cpp: In function 'void up_x(node*, int, int, ll)':
game.cpp:6:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
#define tm (p->tl+p->tr >> 1)
~~~~~^~~~~
game.cpp:49:15: note: in expansion of macro 'tm'
if(px > tm) { if(p->r == NULL) p->r = new node(tm+1,p->tr); up_x(p->r,px,py,val); }
^~
game.cpp:6:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
#define tm (p->tl+p->tr >> 1)
~~~~~^~~~~
game.cpp:49:54: note: in expansion of macro 'tm'
if(px > tm) { if(p->r == NULL) p->r = new node(tm+1,p->tr); up_x(p->r,px,py,val); }
^~
game.cpp:6:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
#define tm (p->tl+p->tr >> 1)
~~~~~^~~~~
game.cpp:50:60: note: in expansion of macro 'tm'
else { if(p->l == NULL) p->l = new node(p->tl,tm); up_x(p->l,px,py,val); }
^~
game.cpp:53:6: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
if(p->to_y == NULL) p->to_y = new node(0,mod); up_y(p->to_y,py,val);
^~
game.cpp:53:53: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
if(p->to_y == NULL) p->to_y = new node(0,mod); up_y(p->to_y,py,val);
^~~~
/tmp/cc5MZQjx.o: In function `main':
grader.c:(.text.startup+0xb8): undefined reference to `calculate'
collect2: error: ld returned 1 exit status
