git

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diff --git a/main.c b/main.c
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--- a/main.c
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+++ b/main.c
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@@ -1,13 +1,14 @@
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 #include <stdio.h>
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 int func(int num);
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-void print_int(int num);
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+int func2(int num);
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 int main() {
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 	int i;
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 	for (i = 0; i < 10; i++) {
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-		print_int(func(i));
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+		printf("%d", func(i));
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+		printf("%d", func3(i));
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 	}
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 	return 0;
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@@ -17,7 +18,7 @@
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 	return num * num;
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 }
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-void print_int(int num) {
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-	printf("%d", num);
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+int func2(int num) {
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+	return num * num * num;
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 }
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