0429課題まとめ

task0429_1a.c

#include <stdio.h>

int main( int argc, char *argv[] ) {
	int a, x;
	a = 1;
	scanf("%d", &x);
	if( x <= 0 ){
		printf("the data is less than 0\n");
	}else{
		while( a <= x ){
			printf("%d\n", a);
			if( a <= 1073741823 ) {
				a = 2*a;
			}else{
				break;
			}
		}
	}
	return 0;
}

task0429_1b.c

#include <stdio.h>

int main( int argc, char *argv[] ) {
	int a, b, x;
	a = 1;
	b = 0;
	scanf("%d", &x);
	if( x <= 0 ){
		printf("the data is less than 0\n");
	}else{
		while( a <= x ){
			b = b+1;
			if( a <= 1073741823 ) {
				a = 2*a;
			}else{
				break;
			}
		}
		printf("%d\n", b-1);
	}
	return 0;
}

task0429_1c.c

#include <stdio.h>

int main( int argc, char *argv[] ) {
	int b, x;
	b = 0;
	scanf("%d", &x);
	if( x < 0 ){
		printf("the data is less than 0\n");
	}else{
		while( x != 0 ){
			if( x%2 == 1 ){
				b = b+1;
			}
			x = x >> 1;
		}
		printf("%d\n", b);
	}
	return 0;
}

task0429_2a.c

#include <stdio.h>

int main( int argc, char *argv[] ) {
	int a, b, c, x;
	a = 0;	
	b = 1;
	c = 0;
	scanf("%d", &x);
	if( x < 0 ){
		printf("the data is less than 0\n");
	}else{
		printf("0\n");
		while( c <= x ){
			c = a+b;
			a = b;
			b = c;
			printf("%d\n", a);
		}
	}
	return 0;
}

task0429_2b.c

#include <stdio.h>

int main( int argc, char *argv[] ) {
	int a, x;
	a = 1;
	scanf("%d", &x);
	if( x <= 0 ){
		printf("the data is less than 0\n");
	}else{
		while( a <= x ){
			printf("%d\n", a);
			if( a <= 715827882 ){
				a = 3*a;
			}else{
				break;
			}
		}
	}
	return 0;
}