AStar2012-C1

A.cpp

#include <iostream>
using namespace std;

class Line
{
public:
	int xl, xr, y;
};

int main(void)
{
	int T = 0, i = 0;
	int N = 0, M = 0, K = 0;
	Line* l = NULL;
	
	cin>>T;
	while(T--)
	{
		int nx = 0, ny = 0;
		cin>>N>>M>>K;
		l = new Line[M];
		for(i = 0;i < M;i++)
			cin>>( (l+i)->xl )>>( (l+i)->xr )>>( (l+i)->y );
		
		// -----
		if( (l->xl) % 2 )
			cout<<"Yes"<<endl;
		else
			cout<<"No"<<endl;
		// -----
		
		delete [] l;
	}
	
	return 0;
}

B.c

#include <stdio.h>

int main(void)
{
	int T = 0, i = 0;
	long long x = 0, a = 0, b = 0;
	long long xx = 0, tomod = 0, pnum = 0;
	
	scanf("%d", &T);
	while(T--)
	{
		tomod = 10, pnum = 0;
		scanf("%lld %lld %lld", &x, &a, &b);
		xx = x;
		while( ( xx/=10 ) >= 1 ) tomod *= 10;
		for(i = a;i <= b;i++)
			if( ( i % tomod ) == x )
				pnum ++;
		
		printf("%lld\n", pnum);
	}
	
	return 0;
}

C.c

#include <stdio.h>
int main(void)
{
	printf("24\n");
	return 0;
}

D.c

#include <stdio.h>

int main(void)
{
	printf("19\n");
	return 0;
}