Submission #99163

#	Time	Username	Problem	Language	Result	Execution time	Memory
99163		jhnah917	Game (IOI13_game)	C++14	0 / 100	4 ms	896 KiB

game

#ifndef __GAME_H__
#define __GAME_H__
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <math.h>
 
void init(int R, int C);
void update(int P, int Q, long long K);
long long calculate(int P, int Q, int U, int V);
int r, c;

typedef long long ll;

long long f(long long X, long long Y) {
    long long tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}

struct Seg1d{
	ll *arr;
	int lim;
	void init(int n){
		for(lim=1; lim<n; lim<<=1);
		arr = new ll[lim*2];
	}
	
	void update(int idx, ll val){
		idx |= lim;
		arr[idx] = val;
		while(idx >>= 1) arr[idx] = f(arr[idx*2], arr[idx*2+1]);
	}
	
	ll query(int l, int r){
		ll lval = 0, rval = 0;
		l |= lim, r |= lim;
		while(l <= r){
			if(l&1) lval = f(lval, arr[l++]);
			if(!(r&1)) rval = f(rval, arr[r--]);
			l >>= 1, r >>= 1;
		}
		return f(lval, rval);
	}
	
	Seg1d(){
		init(c);
	}
};

struct Seg2d{
	Seg1d *arr;
	int lim;
	void init(int n){
		for(lim=1; lim<n; lim<<=1);
		arr = new Seg1d[lim*2];
	}
	
	void update(int x, int y, ll val){
		x |= lim;
		arr[x].update(y, val);
		while(x >>= 1){
			arr[x].update(y, val);
		}
	}
	
	ll query(int x1, int x2, int y1, int y2){
		ll ret = 0;
		x1 |= lim, x2 |= lim;
		while(x1 <= x2){
			if(x1 & 1) ret = f(ret, arr[x1++].query(y1, y2));
			if(!(x2 & 1)) ret = f(ret, arr[x2--].query(y1, y2));
			x1 >>= 1; x2 >>= 1;
		}
		return ret;
	}
	
	Seg2d(){
		init(r);
	}
	
} tree;

void init(int R, int C) {
	r = R, c = C;
	tree = Seg2d();
}
 
void update(int x, int y, long long val) {
    tree.update(x, y, val);
}
 
long long calculate(int x1, int y1, int x2, int y2) {
    return tree.query(x1, x2, y1, y2);
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* __GAME_H__ */

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;
      ^~~

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