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  • MATyufyakov/2024_laba4_jaba
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*.exe
.vscode
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/* числа фиббоначи
нужен n-ый символ ряда фиббоначи
на фходе число n
должна вывести число
g++ main.cpp -o fibbonaci
./fibbonaci.exe 5
*/
#include<iostream>
long long unsigned fibbonaci(int n){
if (n==1 || n==2){
return 1;
}
long long unsigned result_1=1;
long long unsigned result_2=1;
long long unsigned result_3=0;
for (int i=3; i<=n ; i++){
result_2=result_1+result_2;
result_1=result_2-result_1;
}
return result_2;
return fibbonaci(n-1)+fibbonaci(n-2);
}
int main(int argc, char* argv[]){
if (argc !=2){
std::cout <<"incorrect usage" << std::endl;
return 1;
}
int n = atoi(argv[1]);
if (n<1){
std::cout << "Use a number > 0" << std::endl;
return 2;
}
if (n > 93){
std::cout << "Number so BIG" << std::endl;
return 3;
}
for (int i=1; i<=n; i++){
std::cout << "number" << i << ": "<< fibbonaci(i)<<std::endl;
}
std::cout << fibbonaci(n) << std::endl;
return 0;
}
\ No newline at end of file