Posted by Anonymous on Friday, November 26, 2010 at 10:19pm.
I am having trouble identifying the flaws in my code. I need to created a program that calculates the rainfall for a given year in months. I needed it to show the total amount of rain for the year, the average monthly rainfall, and the months with the highest and lowest amounts. So far I got everything to calculate and display correctly all except the highest and lowest months. I have included the full code. Thanks.
#include<iostream>
using namespace std;
void main()
{
double rainfall[12], totalrainfall=0, avgrainfall =0, maximum =0, minimum=0;
int i,j,k,m,mimo, mamo;
char monthnames[12] = {'Jan','Feb','Mar','Apr','May','Jun','Juâ€¦
for (i=0;i<12;i++)
{
cout<<"Enter rainfall for month "<<i+1<<":";
cin>>rainfall[i]; //capture all rainfall values from user
}
for(j=0;j<12;j++)
{
totalrainfall = totalrainfall + rainfall[j]; //calculate total rainfall
}
cout<<"Total rainfall for the year:"<<totalrainfall<<endl;
avgrainfall = totalrainfall/12; //calculate average rainfall
cout<<"Average monthly rainfall: "<<avgrainfall<<endl;
for(k=0;k<12;k++)
{
maximum = rainfall[0];
if (rainfall[k] > maximum)
{
maximum = rainfall[k]; //find maximum rainfall value
mamo = k; //month with max rainfall
}
}
for(i=k;i<=k;i++)
{cout<<"Maximum rainfall month: "<<monthnames[mamo]<<endl;}
for(m=0;m<12;m++)
{
minimum = rainfall[0];
if (rainfall[m] < minimum)
{
minimum = rainfall[m];
mimo = m;
}
}
for(i=m;i<=m;i++)
{cout<<"Minimum rainfall month: "<<monthnames[mimo]<<endl;}
}

C++  MathMate, Friday, November 26, 2010 at 10:29pm
Don't know which version of C++ you use.
In general, string≠char, but
char * points to a string with a '\0' termination character.
You could use the string class, for monthnames, or use an array of pointers, such as:
char *monthnames[]={"Jan","Feb",...};
depending on whether you are allowed to use pointers.
I have not compiled your program to see if there are other problems. If you find other problems, post.
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