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๐Ÿ”ต C,C++,C#/๐Ÿ“šCore C_Programming

[C/Core C Programming] Chpater3

HYEJU01 2023. 3. 27. 19:18
//1
#include <stdio.h>


int main() {

	int n;
	printf("ํ•œ๋ณ€์˜ ๊ธธ์ด?");
	scanf_s("%d", &n);
	printf("์ •์‚ฌ๊ฐํ˜•์˜ ๋„“์ด: %d\n",n*n);
	printf("์ •์‚ฌ๊ฐํ˜•์˜ ๋‘˜๋ ˆ: %d\n",n*4);
	return 0;
    
//2
#include <stdio.h>
int main() {

	int w;
	int h;
	printf("๊ฐ€๋กœ์˜ ๊ธธ์ด?");
	scanf_s("%d", &w);

	
	printf("์„ธ๋กœ์˜ ๊ธธ์ด?");
	scanf_s("%d", &h);
	printf("์ง์‚ฌ๊ฐํ˜•์˜ ๋„“์ด: %d\n",w*h);
	printf("์ง์‚ฌ๊ฐํ˜•์˜ ๋‘˜๋ ˆ: %d\n",(w+h)*2);
	return 0;
}โ€‹
//3
#include <stdio.h>
int main() {

	int m;
	int h;
	printf("์งˆ๋Ÿ‰(kg)?");
	scanf_s("%d", &m);

	printf("๋†’์ด(m)?");
	scanf_s("%d", &h);

	printf("์œ„์น˜์—๋„ˆ์ง€: %f\n",9.8*m*h);


	return 0;
}
//4
#include <stdio.h>
int main() {

	float f;
	float s;
	printf("ํž˜(N)?");
	scanf_s("%f",&f);

	printf("์ด๋™๊ฑฐ๋ฆฌ(m)?");
	scanf_s("%f",&s);

	printf("์ผ์˜ ์–‘: %.2f J", (f * s));


	return 0;
}
//5
#include <stdio.h>
int main() {

	float c;
	printf("๊ธธ์ด?");
	scanf_s("%f",&c);

	printf("%f inch = %f cm",c, c*2.54);


	return 0;
}

 

//6
#include <stdio.h>
int main() {

	float c;
	printf("์•„ํŒŒํŠธ์˜ ๋ฉด์ (์ œ๊ณฑ๋ฏธํ„ฐ)?");
	scanf_s("%f",&c);

	printf("%.2f ์ œ๊ณฑ๋ฏธํ„ฐ = %.2f ํ‰",c, (c*0.3025));


	return 0;
}

 

//7
#include <stdio.h>
int main() {

	float a;
	printf("์‹ค์ˆ˜?");
	scanf_s("%f",&a); //or %e

	printf("์ œ๊ณฑ %e\n",a*a);
	printf("์„ธ์ œ๊ณฑ %e:",a*a*a);

	return 0;
}

 

//8
#include <stdio.h>
int main() {

	int a;
	printf("๊ธธ์ด(yb)?");
	scanf_s("%d",&a);
	printf("%d ์•ผ๋“œ = %fm",a,(a*0.9144));
	return 0;
}

 

//9
#include <stdio.h>
int main() {

	int a;
	printf("๋ฌด๊ฒŒ(ld)?");
	scanf_s("%d",&a);
	printf("%d ld = %f kg",a,(a*0.45359237));

	return 0;
}
//10
#include <stdio.h>
int main() {

	float a,b;
	printf("USD?");
	scanf_s("%f",&a);
	printf("์›.๋‹ฌ๋Ÿฌ ํ™˜์œจ?");
	scanf_s("%f", &b);
	printf("USD %.2f = KRW %.2f",a,(a*b));

	return 0;
}

 

//11
#include <stdio.h>
int main() {
	float a,b;
	printf("KRW?");
	scanf_s("%f",&a);
	printf("์›.๋‹ฌ๋Ÿฌ ํ™˜์œจ?");
	scanf_s("%f", &b);
	printf("KRW %.0f = USD %.2f",a,(a/b));

	return 0;
}