added timer

1 files changed, 17 insertions, 0 deletions

diff --git a/timer.c b/timer.c
new file mode 100644
index 0000000..7000727
--- /dev/null
+++ b/timer.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <unistd.h>
+
+int main(){
+  int min; int sec;
+  printf("Input #minutes:#seconds ");
+  scanf("%d:%d", &min, &sec);
+  printf("\n");
+  int time = min*60 + sec;
+  for (int i = 1; i<=time; i++){
+    printf("%d:%02d/%d:%02d\r", (i-i%60)/60, i%60, min, sec);
+    fflush(stdout);
+    sleep(1);
+  }
+  printf("\n");
+  return 0;
+}