Submission #140222

# Submission time Handle Problem Language Result Execution time Memory
140222 2019-08-02T10:12:14 Z amiratou Game (IOI13_game) C++14
0 / 100
4 ms 504 KB
#include "game.h"
#include <bits/stdc++.h>
#define ll long long

ll st[8005][8005],st2[45][400005],n,m;
using namespace std;

long long gcd2(long long X, long long Y) {
    long long tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}
void update_y2(int ny,int ly,int ry,int nx,int lx,int rx,int y,ll val){
    if(ly>y||ry<y)
        return ;
    if(ly==ry){
        if(lx==rx)st2[nx][ny]=val;
        else st2[nx][ny]=gcd2(st2[nx*2][ny],st2[nx*2+1][ny]);
        return ;
    }
    int med=(ly+ry)>>1;
    update_y2(ny*2,ly,med,nx,lx,rx,y,val);
    update_y2(ny*2+1,med+1,ry,nx,lx,rx,y,val);
    st2[nx][ny]=gcd2(st2[nx][ny*2],st2[nx][ny*2+1]);
}
void update_x2(int nx,int lx,int rx,int x,int y,ll val){
    if(lx>x||rx<x)
        return ;
    if(lx!=rx){
        int med=(lx+rx)>>1;
        update_x2(nx*2,lx,med,x,y,val);
        update_x2(nx*2+1,med+1,rx,x,y,val);
    }
    update_y2(1,0,m-1,nx,lx,rx,y,val);
}
void update_y(int ny,int ly,int ry,int nx,int lx,int rx,int y,ll val){
    if(ly>y||ry<y)
        return ;
    if(ly==ry){
        if(lx==rx)st[nx][ny]=val;
        else st[nx][ny]=gcd2(st[nx*2][ny],st[nx*2+1][ny]);
        return ;
    }
    int med=(ly+ry)>>1;
    update_y(ny*2,ly,med,nx,lx,rx,y,val);
    update_y(ny*2+1,med+1,ry,nx,lx,rx,y,val);
    st[nx][ny]=gcd2(st[nx][ny*2],st[nx][ny*2+1]);
}
void update_x(int nx,int lx,int rx,int x,int y,ll val){
    if(lx>x||rx<x)
        return ;
    if(lx!=rx){
        int med=(lx+rx)>>1;
        update_x(nx*2,lx,med,x,y,val);
        update_x(nx*2+1,med+1,rx,x,y,val);
    }
    update_y(1,0,m-1,nx,lx,rx,y,val);
}
int query_y2(int ny,int ly,int ry,int nx,int y1,int y2){
    if(ly>y2||ry<y1)
        return 0;
    if(ly>=y1&&ry<=y2)
        return st2[nx][ny];
    int med=(ly+ry)>>1;
    return gcd2(query_y2(ny*2,ly,med,nx,y1,y2),query_y2(ny*2+1,med+1,ry,nx,y1,y2));
}
int query_x2(int nx,int lx,int rx,int x1,int y1,int x2,int y2){
    if(lx>x2||rx<x1)
        return 0;
    if(lx>=x1&&rx<=x2)
        return query_y2(1,0,m-1,nx,y1,y2);
    int med=(lx+rx)>>1;
    return gcd2(query_x2(nx*2,lx,med,x1,y1,x2,y2),query_x2(nx*2+1,med+1,rx,x1,y1,x2,y2));
}
int query_y(int ny,int ly,int ry,int nx,int y1,int y2){
    if(ly>y2||ry<y1)
        return 0;
    if(ly>=y1&&ry<=y2)
        return st[nx][ny];
    int med=(ly+ry)>>1;
    return gcd2(query_y(ny*2,ly,med,nx,y1,y2),query_y(ny*2+1,med+1,ry,nx,y1,y2));
}
int query_x(int nx,int lx,int rx,int x1,int y1,int x2,int y2){
    if(lx>x2||rx<x1)
        return 0;
    if(lx>=x1&&rx<=x2)
        return query_y(1,0,m-1,nx,y1,y2);
    int med=(lx+rx)>>1;
    return gcd2(query_x(nx*2,lx,med,x1,y1,x2,y2),query_x(nx*2+1,med+1,rx,x1,y1,x2,y2));
}
void init(int R, int C) {
    n=R,m=C;
}

void update(int P, int Q, long long K) {
    if(n<=10&&m<=100000)
        update_x2(1,0,n-1,P,Q,K);
    else
        update_x(1,0,n-1,P,Q,K);
}

long long calculate(int P, int Q, int U, int V) {
    if(n<=10&&m<=100000) return query_x2(1,0,n-1,P,Q,U,V);
    return query_x(1,0,n-1,P,Q,U,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;
      ^~~
# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 380 KB Output isn't correct
2 Halted 0 ms 0 KB -