ソースコード #include <stdio.h> #include <stdlib.h> #include <string.h> #define OK 0 #define NG -1 int isOK(int i, int j ) { int a[10]; int iSum,iTemp; int iCounter; int iMod; iSum = i+ j; if ( iSum > 999 ) { return NG; } for ( iCounter = 0; iCounter < 10; iCounter++ </string.h></stdlib.h></stdio.h>…