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func1.c
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84 lines (71 loc) · 1.08 KB
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#include <stdio.h>
/*#include <string.h>
int main() {
char a[100];
gets(a);
printf("%d", strlen(a));
return 0;
}*/
/*int main() {
int n;
scanf("%d", &n);
if (n < 0) n *= -1;
printf("%d", n);
}*/
/*int main() {
int n;
scanf("%d", &n);
n < 0 ? n *= -1 : n;
printf("%d", n);
}*/
/*#include <math.h>
int main() {
int n;
scanf("%d", &n);
printf("%d", abs(n));
}*/
/*void liner();
void square(int n);
int input();
double tri(int w, int h);
int main() {
//liner();
//int a;
//scanf("%d", &a);
//square(a);
//int a = input();
//if (!(a % 2)) printf("짝\n");
//else printf("홀\n");
int a, b;
scanf("%d %d", &a, &b);
printf("%lf", tri(a, b));
return 0;
}
void liner() {
for (size_t i = 0; i < 20; i++)
{
printf("-");
}
printf("\n");
printf("hello\n");
for (size_t i = 0; i < 20; i++)
{
printf("-");
}
printf("\n");
}
// 자료형 X, 매개변수 X
void square(int n) {
printf("%d", n * n);
}
// 자료형 X, 매개변수 O
int input() {
int n;
scanf("%d", &n);
return n;
}
// 자료형 O, 매개변수 X
double tri(int w, int h) {
return w * h / 2.0;
}
// 자료형 O, 매개변수 O*/