| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 62476 |
2018-07-28T18:08:17 Z |
ggoh |
Game (IOI13_game) |
C++ |
|
4 ms |
512 KB |
#include "game.h"
#include<algorithm>
#include<vector>
int a,b,t;
struct A{
int left,right,ynum;
};
struct B{
int left,right;long long val;
};
std::vector<A>xTree;
std::vector<B>yTree;
long long gcd2(long long xx,long long yy){
if(yy==0)return xx;
return gcd2(yy,xx%yy);
}
void yup(int num,int s,int e,int num1,int num2,int yco,long long v)
{
if(s==e){
if(num1==-1&&num2==-1)yTree[num].val=v;
else yTree[num].val=gcd2(num1==-1?0:yTree[num1].val,num2==-1?0:yTree[num2].val);
return ;
}
if((s+e)/2>=yco)
{
if(yTree[num].left==-1)
{
yTree[num].left=yTree.size();
yTree.push_back({-1,-1,0});
}
if(num1>=0)num1=yTree[num1].left;
if(num2>=0)num2=yTree[num2].left;
yup(yTree[num].left,s,(s+e)/2,num1,num2,yco,v);
}
else
{
if(yTree[num].right==-1)
{
yTree[num].right=yTree.size();
yTree.push_back({-1,-1,0});
}
if(num1>=0)num1=yTree[num1].right;
if(num2>=0)num2=yTree[num2].right;
yup(yTree[num].right,(s+e)/2+1,e,num1,num2,yco,v);
}
yTree[num].val=gcd2(yTree[num].left>=0?yTree[yTree[num].left].val:0,yTree[num].right>=0?yTree[yTree[num].right].val:0);
}
void xup(int num,int s,int e,int xco,int yco,long long v)
{
if(xTree[num].ynum==NULL)
{
xTree[num].ynum=yTree.size();
yTree.push_back({NULL,NULL,0});
}
if(s==e)
{
yup(xTree[num].ynum,0,b-1,-1,-1,yco,v);
return ;
}
if((s+e)/2>=xco)
{
if(xTree[num].left==NULL)
{
xTree[num].left=xTree.size();
xTree.push_back({NULL,NULL,NULL});
}
xup(xTree[num].left,s,(s+e)/2,xco,yco,v);
}
else
{
if(xTree[num].right==-1)
{
xTree[num].right=xTree.size();
xTree.push_back({NULL,NULL,NULL});
}
xup(xTree[num].right,(s+e)/2+1,e,xco,yco,v);
}
yup(xTree[num].ynum,0,b-1,xTree[num].left==NULL?-1:xTree[xTree[num].left].ynum,xTree[num].right==NULL?-1:xTree[xTree[num].right].ynum,yco,v);
}
long long yans(int num,int s,int e,int py,int qy)
{
if(s>qy||e<py)return 0ll;
if(py<=s&&e<=qy)return yTree[num].val;
long long l=0,r=0;
if(yTree[num].left>=0)l=yans(yTree[num].left,s,(s+e)/2,py,qy);
if(yTree[num].right>=0)r=yans(yTree[num].right,(s+e)/2+1,e,py,qy);
return gcd2(l,r);
}
long long xans(int num,int s,int e,int px,int qx,int py,int qy)
{
if(s>qx||e<px)return 0ll;
if(px<=s&&e<=qx)
{
if(xTree[num].ynum>=0)return yans(xTree[num].ynum,0,b-1,py,qy);
else return 0ll;
}
long long l=0,r=0;
if(xTree[num].left>=0)l=xans(xTree[num].left,s,(s+e)/2,px,qx,py,qy);
if(xTree[num].right>=0)r=xans(xTree[num].right,(s+e)/2+1,e,px,qx,py,qy);
return gcd2(l,r);
}
void init(int R, int C)
{
a=R;b=C;
xTree.push_back({NULL,NULL,0});
yTree.push_back({NULL,NULL,0});
}
void update(int P, int Q, long long K)
{
xup(0,0,a-1,P,Q,K);
}
long long calculate (int P, int Q, int U, int V)
{
return xans(0,0,a-1,P,U,Q,V);
}
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 xup(int, int, int, int, int, long long int)':
game.cpp:50:25: warning: NULL used in arithmetic [-Wpointer-arith]
if(xTree[num].ynum==NULL)
^~~~
game.cpp:53:38: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
yTree.push_back({NULL,NULL,0});
^
game.cpp:53:38: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
game.cpp:62:29: warning: NULL used in arithmetic [-Wpointer-arith]
if(xTree[num].left==NULL)
^~~~
game.cpp:65:45: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
xTree.push_back({NULL,NULL,NULL});
^
game.cpp:65:45: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
game.cpp:65:45: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
game.cpp:74:45: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
xTree.push_back({NULL,NULL,NULL});
^
game.cpp:74:45: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
game.cpp:74:45: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
game.cpp:78:48: warning: NULL used in arithmetic [-Wpointer-arith]
yup(xTree[num].ynum,0,b-1,xTree[num].left==NULL?-1:xTree[xTree[num].left].ynum,xTree[num].right==NULL?-1:xTree[xTree[num].right].ynum,yco,v);
^~~~
game.cpp:78:102: warning: NULL used in arithmetic [-Wpointer-arith]
yup(xTree[num].ynum,0,b-1,xTree[num].left==NULL?-1:xTree[xTree[num].left].ynum,xTree[num].right==NULL?-1:xTree[xTree[num].right].ynum,yco,v);
^~~~
game.cpp: In function 'void init(int, int)':
game.cpp:105:34: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
xTree.push_back({NULL,NULL,0});
^
game.cpp:105:34: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
game.cpp:106:34: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
yTree.push_back({NULL,NULL,0});
^
game.cpp:106:34: warning: converting to non-pointer type 'int' from NULL [-Wconversion-null]
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
256 KB |
Output is correct |
| 2 |
Incorrect |
4 ms |
360 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
448 KB |
Output is correct |
| 2 |
Incorrect |
3 ms |
448 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
512 KB |
Output is correct |
| 2 |
Incorrect |
3 ms |
512 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
512 KB |
Output is correct |
| 2 |
Incorrect |
4 ms |
512 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
512 KB |
Output is correct |
| 2 |
Incorrect |
3 ms |
512 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
