/* How to sum part of an array. */ #include <stdio.h> main() { /* Declaration Statements */ char month[12][4]; short units[12]; short uq[4]; /* uq stands for units per quarter */ double sales[12]; double sq[4]; /* dq stands for sales per quarter */ short i, j, k; char *TEMP; printf("C53.C -> Summing part of an array \n"); /* Assignment Statements */ for (i = 1; i <= 12; i++) { printf("Month (Jan,Feb,...) : "); scanf("%s",month[i-1]); printf("Units Sold : "); scanf("%hd", &units[i - 1]); printf("Sales (in million $): "); scanf("%lg", &sales[i - 1]); } /* Form 4 quarter totals */ i = 0; for (j = 1; j <= 4; j++) { uq[j - 1] = 0; sq[j - 1] = 0.0; for (k = 1; k <= 3; k++) { i++; uq[j - 1] += units[i - 1]; sq[j - 1] += sales[i - 1]; } /* End of inner for{} loop */ } /* End of outer for{} loop */ /* Print results */ printf("\n Cars sold by quarter %5d%5d%5d%5d\n", uq[0], uq[1], uq[2], uq[3]); printf("\n Sales by quarter % .1E% .1E% .1E% .1E\n", sq[0], sq[1], sq[2], sq[3]); return(0); } /* End of Program C53 */ /*INPUT :
Jan 5 12 Feb 4 78 Mar 1 3 Apr 5 32 May 6 12 June 5 32 July 1 12 Aug 34 12 Sep 4 10 Oct 5 23 Nov 1 23 Dec 0 0OUTPUT :
C53.C -> Summing part of an array Month (Jan,Feb,...) : Jan Units Sold : 5 Sales (in million $): 12 Month (Jan,Feb,...) : Feb Units Sold : 4 Sales (in million $): 78 Month (Jan,Feb,...) : Mar Units Sold : 1 Sales (in million $): 3 Month (Jan,Feb,...) : Apr Units Sold : 5 Sales (in million $): 32 Month (Jan,Feb,...) : May Units Sold : 6 Sales (in million $): 12 Month (Jan,Feb,...) : June Units Sold : 5 Sales (in million $): 32 Month (Jan,Feb,...) : July Units Sold : 1 Sales (in million $): 12 Month (Jan,Feb,...) : Aug Units Sold : 34 Sales (in million $): 12 Month (Jan,Feb,...) : Sep Units Sold : 4 Sales (in million $): 10 Month (Jan,Feb,...) : Oct Units Sold : 5 Sales (in million $): 23 Month (Jan,Feb,...) : Nov Units Sold : 1 Sales (in million $): 23 Month (Jan,Feb,...) : Dec Units Sold : 0 Sales (in million $): 0 Cars sold by quarter 10 16 39 6 Sales by quarter 9E+01 8E+01 3E+01 5E+01 */
Last modified: 22/07/97