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explain my algorithm

the thougut is "time axis"
time runs from start to end by a loop
calculate the minute in the range then product the rate
finally outout the data what problem needs

plz help me QQ

I have used many testdata but still can't found what's wrong in my code
Can someone give me some suggestions or bugs in my code?
Thanks....


#include<iostream.h>
#include<stdio.h>
void main()
{
char step,tel[10];
int s_hour,e_hour,s_min,e_min,m1,m2,m3;//start & end time
float money,table[5][3 ...