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99 lines
1.5 KiB
99 lines
1.5 KiB
#include <stdio.h>
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int main()
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{
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void manu();
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void log();
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manu();
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log();
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return 0;
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}
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void manu()
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{
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printf(" 1.Input\n");
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printf(" 2.Output\n");
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printf(" 3.Order\n");
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printf(" 4.Quit\n");
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char t=getchar();
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if(t=='i')
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{
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printf("Please input info of the three students:\n");
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}
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else if(t=='o')
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{
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printf("You are trying to Output info\n");
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}
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else if(t=='m')
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{
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printf("You are trying to Make things ordered\n");
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}
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else if(t=='q')
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{
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printf("You are about to Quit\n");
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}
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else
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{
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printf("Wrong input\n");
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}
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}
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void log()
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{
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float sum(float a[][5]);
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void sort(float a[][5]);
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float student[3][5];
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int i,j;
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for(i=0;i<3;i++)
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{
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for(j=0;j<4;j++)
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{
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scanf("%f",&student[i][j]);
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}
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}
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sum(student);
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sort(student);
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for(i=0;i<3;i++)
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{
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printf("%g,%4.1f,%4.1f\n",student[i][0],student[i][4],student[i][4]/3);
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}
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}
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float sum(float a[][5])
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{
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int i;
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for(i=0;i<3;i++)
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{
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a[i][4]=a[i][1]+a[i][2]+a[i][3];
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}
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}
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void sort(float a[][5])
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{
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void swap(float a[][5],int x,int y);
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int i,j,k;
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for(i=0;i<3;i++)
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{
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k=i;
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for(j=i;j<3;j++)
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{
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if(a[i][4]>a[j][4])
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{
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k=j;
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}
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}
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swap(a,i,k);
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}
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}
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void swap(float a[][5],int x,int y)
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{
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int i;
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float temp;
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for(i=0;i<5;i++)
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{
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temp=a[x][i];
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a[x][i]=a[y][i];
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a[y][i]=temp;
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}
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}
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