longfib(intn){if(n>1)return(fib(n-1)+fib(n-2));elsereturn(1L);}main{printf(″%ld＼n″,fib);}
longfib(intn){if(n>1)return(fib(n-1)+fib(n-2));elsereturn(1L);}main{printf(″%ld＼n″,fib);}
【正确答案】：5
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