1 files changed, 21 insertions, 0 deletions

diff --git a/1/4.c b/1/4.c
new file mode 100644
index 0000000..3416e02
--- /dev/null
+++ b/1/4.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+  float celsius, fahr;
+  int lower, upper, step;
+
+  lower = 0;
+  upper = 300;
+  step = 20;
+  celsius = lower;
+
+  printf("celsius\tfahrenheit\n");
+
+  while (celsius <= upper) {
+    fahr = (9.0 * celsius / 5.0) + 32.0;
+    printf("%7.0f\t%10.1f\n", celsius, fahr);
+    celsius = celsius + step;
+  }
+
+  return 0;
+}
\ No newline at end of file