24 lines
394 B
C
24 lines
394 B
C
#include <stdio.h>
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int fibonacci(int n);
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int main() {
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int n;
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printf("Enter: num\nEnter: ");
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scanf("%d",&n);
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printf("fibonacci(%d) = %d",n,fibonacci(n));
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return 0;
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}
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int fibonacci(int n){
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if(n<=0) return 0;
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if(n==1) return 1;
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int a = 0, b = 1, next;
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for(int i = 2;i <= n;i++){
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next = a + b;
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a = b;
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b = next;
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}
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return b;
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}
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