gpa.cpp

对北京大学

#include<stdlib.h>
#include<stdio.h>
#include<iostream.h>
#include<fstream.h> 
#define M 27
#define N 68	
double s[M][N];
double c[M][N];
void readnumber()
{   
	int i,j;
    ifstream fp1;
    fp1.open("score.txt");
	//fp2.open("credit.txt");
    if(fp1.fail()){cout<<"can't open this file"<<endl;return;}
	//if(fp2.fail()){cout<<"can't open this file"<<endl;return;}
    for( i=0;i<M;i++)
    {
		for( j=0;j<N;j++)fp1>>c[i][j];
		for( j=0;j<N;j++)fp1>>s[i][j];
	}
	fp1.close();
//	fp2.close();
	/*for( i=0;i<M/2;i++)
    {
		for( j=0;j<N;j++)
        printf("s[%d][%d]=%f\n",i,j,s[i][j]);
	}
	for( i=0;i<27;i++)
    {
		for( j=0;j<N;j++)
        printf("c[%d][%d]=%f\n",i,j,c[i][j]);
	}*/
}

void computerGPA()
{   
	FILE *fp0;
	int i,j;
	double GPA[M][N]={0};
	double sumGPA[M]={0};
    double sumcredit[M]={0};
	double averageGPA[M]={0};
    for( i=0;i<M;i++)
    {
		for( j=0;j<N;j++)
        {
			if(s[i][j]>=95&&s[i][j]<=100)GPA[i][j]=4.0;
		    else if(s[i][j]>=90&&s[i][j]<=94)GPA[i][j]=3.5;//大连理工大学绩点算法
		    else if(s[i][j]>=85&&s[i][j]<=89)GPA[i][j]=3.0;
		    else if(s[i][j]>=80&&s[i][j]<=84)GPA[i][j]=2.6;
		    else if(s[i][j]>=75&&s[i][j]<=79)GPA[i][j]=2.2;
		    else if(s[i][j]>=70&&s[i][j]<=74)GPA[i][j]=1.8;
		    else if(s[i][j]>=65&&s[i][j]<=69)GPA[i][j]=1.4;
		    else if(s[i][j]>=60&&s[i][j]<=64)GPA[i][j]=1.0;
		    else GPA[i][j]=0.0; 
	       sumGPA[i]=sumGPA[i]+c[i][j]*GPA[i][j];
		   sumcredit[i]=sumcredit[i]+c[i][j];
		   averageGPA[i]=sumGPA[i]/sumcredit[i];
		}
	}
   fp0=fopen("averageGPA.txt","w+");
   for(i=0;i<M;i++)fprintf(fp0,"%f\n",averageGPA[i]);
   fclose(fp0);
}

void main()
{
   readnumber();
   computerGPA();
}

            


           /* if(s[i][j]>=95&&s[i][j]<=100)GPA[i][j]=4.3;
            else if(s[i][j]>=90&&s[i][j]<=94)GPA[i][j]=4.0;//上海交通大学
		    else if(s[i][j]>=85&&s[i][j]<=89)GPA[i][j]=3.7;
		    else if(s[i][j]>=80&&s[i][j]<=84)GPA[i][j]=3.3;
		    else if(s[i][j]>=75&&s[i][j]<=79)GPA[i][j]=3.0;
		    else if(s[i][j]>=70&&s[i][j]<=74)GPA[i][j]=2.7;
		    else if(s[i][j]>=67&&s[i][j]<=69)GPA[i][j]=2.3;
		    else if(s[i][j]>=65&&s[i][j]<=66)GPA[i][j]=2.0;
			else if(s[i][j]>=62&&s[i][j]<=64)GPA[i][j]=1.7;
		    else if(s[i][j]>=60&&s[i][j]<=61)GPA[i][j]=1.0;
		    else GPA[i][j]=0.0;



			if(s[i][j]>=90&&s[i][j]<=100)GPA[i][j]=4.0; //北京大学
            else if(s[i][j]>=85&&s[i][j]<=89)GPA[i][j]=3.7;
		    else if(s[i][j]>=82&&s[i][j]<=84)GPA[i][j]=3.3;
		    else if(s[i][j]>=78&&s[i][j]<=81)GPA[i][j]=3.0;
		    else if(s[i][j]>=75&&s[i][j]<=77)GPA[i][j]=2.7;
		    else if(s[i][j]>=72&&s[i][j]<=74)GPA[i][j]=2.3;
		    else if(s[i][j]>=68&&s[i][j]<=71)GPA[i][j]=2.0;
			else if(s[i][j]>=64&&s[i][j]<=67)GPA[i][j]=1.5;
			else if(s[i][j]>=60&&s[i][j]<=63)GPA[i][j]=1.0;
		    else GPA[i][j]=0.0;



			if(s[i][j]>=95&&s[i][j]<=100)GPA[i][j]=4.5;
            else if(s[i][j]>=90&&s[i][j]<=94)GPA[i][j]=4.0;//均匀间断点
		    else if(s[i][j]>=85&&s[i][j]<=89)GPA[i][j]=3.5;
		    else if(s[i][j]>=80&&s[i][j]<=84)GPA[i][j]=3.0;
		    else if(s[i][j]>=75&&s[i][j]<=79)GPA[i][j]=2.5;
		    else if(s[i][j]>=70&&s[i][j]<=74)GPA[i][j]=2.0;
		    else if(s[i][j]>=65&&s[i][j]<=69)GPA[i][j]=1.5;
		    else if(s[i][j]>=60&&s[i][j]<=64)GPA[i][j]=1.0;
		    else GPA[i][j]=0.0;



           if(s[i][j]>=95&&s[i][j]<=100)GPA[i][j]=5.0;  //浙江大学
           else if(s[i][j]>=60&&s[i][j]<=94)GPA[i][j]=1.5+(s[i][j]-60)/10.0
		   else GPA[i][j]=0.0;


             
           if(s[i][j]>=60&&s[i][j]<=100)GPA[i][j]=1.0+(s[i][j]-60)/10.0  //均匀连续绩点
		   else GPA[i][j]=0.0;
           


            if(s[i][j]>=95&&s[i][j]<=100)GPA[i][j]=4.0;
		    else if(s[i][j]>=90&&s[i][j]<=94)GPA[i][j]=3.5;//大连理工大学绩点算法
		    else if(s[i][j]>=85&&s[i][j]<=89)GPA[i][j]=3.0;
		    else if(s[i][j]>=80&&s[i][j]<=84)GPA[i][j]=2.6;
		    else if(s[i][j]>=75&&s[i][j]<=79)GPA[i][j]=2.2;
		    else if(s[i][j]>=70&&s[i][j]<=74)GPA[i][j]=1.8;
		    else if(s[i][j]>=65&&s[i][j]<=69)GPA[i][j]=1.4;
		    else if(s[i][j]>=60&&s[i][j]<=64)GPA[i][j]=1.0;
		    else GPA[i][j]=0.0; */