# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
1091116 |
2024-09-19T21:43:34 Z |
AtinaR |
Game (IOI13_game) |
C++14 |
|
0 ms |
0 KB |
#include <bits/stdc++.h>
using namespace std;
const int MAX=2010;
int gcd(int a, int b)
{
if(b==0)return a;
return gcd(b,a%b);
}
int n,m;
int mat[MAX][MAX];
int tree[4*MAX][4*MAX];
void buildy(int nodex, int Lx, int Rx, int nodey, int Ly, int Ry)
{
if(Ly==Ry)
{
if(Lx==Rx)
{
tree[nodex][nodey]=mat[Lx][Ly];
}
else
{
tree[nodex][nodey]=gcd(tree[2*nodex][nodey],tree[2*nodex+1][nodey]);
}
}
else
{
int mid=(Ly+Ry)/2;
buildy(nodex,Lx,Rx,2*nodey,Ly,mid);
buildy(nodex,Lx,Rx,2*nodey+1,mid+1,Ry);
tree[nodex][nodey]=gcd(tree[nodex][2*nodey],tree[nodex][2*nodey+1]);
}
}
void buildx(int node, int L, int R)
{
if(L!=R)
{
int mid=(L+R)/2;
buildx(2*node,L,mid);
buildx(2*node+1,mid+1,R);
}
buildy(node,L,R,1,0,m-1);
}
int sumy(int nodex, int nodey, int L, int R, int _left, int _right)
{
if(L>=_left && R<=_right)return tree[nodex][nodey];
else if(L>_right || R<_left)return 0;
int mid=(L+R)/2;
int l=sumy(nodex,2*nodey,L,mid,_left,_right);
int r=sumy(nodex,2*nodey+1,mid+1,R,_left,_right);
return gcd(l,r);
}
int sumx(int node, int L, int R, int _leftx, int _rightx, int _lefty, int _righty)
{
if(L>=_leftx && R<=_rightx)
{
return sumy(node,1,0,m-1,_lefty,_righty);
}
else if(L>_rightx || R<_leftx)return 0;
int mid=(L+R)/2;
int l=sumx(2*node,L,mid,_leftx,_rightx,_lefty,_righty);
int r=sumx(2*node+1,mid+1,R,_leftx,_rightx,_lefty,_righty);
return gcd(l,r);
}
void updatey(int nodex, int Lx, int Rx, int nodey, int Ly, int Ry, int row, int col, int val)
{
if(Ly==Ry)
{
if(Lx==Rx)
{
tree[nodex][nodey]=val;
}
else
{
tree[nodex][nodey]=gcd(tree[2*nodex][nodey],tree[2*nodex+1][nodey]);
}
}
else
{
int mid=(Ly+Ry)/2;
if(col>mid)updatey(nodex,Lx,Rx,2*nodey+1,mid+1,Ry,row,col,val);
else updatey(nodex,Lx,Rx,2*nodey,Ly,mid,row,col,val);
tree[nodex][nodey]=gcd(tree[nodex][2*nodey],tree[nodex][2*nodey+1]);
}
}
void updatex(int node, int L, int R, int row, int col, int val)
{
if(L!=R)
{
int mid=(L+R)/2;
if(row>mid)updatex(2*node+1,mid+1,R,row,col,val);
else updatex(2*node,L,mid,row,col,val);
}
updatey(node,L,R,1,0,m-1,row,col,val);
}
void init(int R, int C)
{
n=R,m=C;
}
long long calculate(int P, int Q, int U, int V)
{
return sumx(1,0,n-1,P,U,Q,V);
}
void update(int P, int Q, long long K)
{
updatex(1,0,n-1,P,Q,K);
}/*
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>n>>m;
for(int i=0; i<n; i++)
{
for(int j=0; j<m; j++)
{
cin>>mat[i][j];
}
}
buildx(1,0,n-1);
cout<<tree[1][1]<<endl;
int q;
cin>>q;
for(int i=0; i<q; i++)
{
int type;
cin>>type;
if(type==1)
{
int r,c,val;
cin>>r>>c>>val;
updatex(1,0,n-1,r,c,val);
}
else
{
int gorelevox,gorelevoy,doludesnox,doludesnoy;
cin>>gorelevox>>gorelevoy>>doludesnox>>doludesnoy;
cout<<sumx(1,0,n-1,gorelevox,doludesnox,gorelevoy,doludesnoy)<<endl;
}
}
return 0;
}
4 4
1 1 2 1 - 5 - 12
0 4 2 1 - 7 - 26
3 2 1 2 - 8 - 14
2 1 1 2 - 6
4 4
1 1 2 1
0 4 2 1
3 2 1 2
2 1 1 2
*/
Compilation message
/usr/bin/ld: /tmp/ccUyJQsj.o: in function `main':
grader.c:(.text.startup+0x6b): undefined reference to `init'
/usr/bin/ld: grader.c:(.text.startup+0xd0): undefined reference to `calculate'
/usr/bin/ld: grader.c:(.text.startup+0x13e): undefined reference to `update'
collect2: error: ld returned 1 exit status