马一下菜鸟教程八进制转十进制

复制代码#include <stdio.h> #include <math.h> long long convertOctalToDecimal(int octalNumber); int main() { int octalNumber; printf("输入一个八进制数: "); scanf("%d", &octalNumber); printf("八进制数 %d 转换为十进制为 %lld", octalNumber, convertOctalToDecimal(octalNumber)); return 0; } long long convertOctalToDecimal(int octalNumber) { int decimalNumber = 0, i = 0; while(octalNumber != 0) { decimalNumber += (octalNumber%10) * pow(8,i); ++i; octalNumber/=10; } i = 1; return decimalNumber; }

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#include <stdio.h>
#include <math.h>
long long convertOctalToDecimal(int octalNumber);
int main()
{
int octalNumber;
printf("输入一个八进制数: ");
scanf("%d", &octalNumber);
printf("八进制数 %d
转换为十进制为 %lld", octalNumber, convertOctalToDecimal(octalNumber));
return 0;
}
long long convertOctalToDecimal(int octalNumber)
{
int decimalNumber = 0, i = 0;
while(octalNumber != 0)
{
decimalNumber += (octalNumber%10) * pow(8,i);
++i;
octalNumber/=10;
}
i = 1;
return decimalNumber;
}