ส ู ตรการหาเส ้ นรอบร ู ปของวงกลุ่ม #include<stdio.h> #define pi 3.1414 int main() { int r; int circle; printf("Input r :") ; scanf("%d",&r); circle = 2*pi*r; printf("answer circle : %d",circle); return 0; }
ส ู ตรการหาพน ื ้ ทว ี่งกลม #include<stdio.h> #define pi 3.1414 int main() { int r; int circle; printf("Input r :") ; scanf("%d",&r); circle = pi*r*r; printf("answer circle : %8.2f",circle);ฃ return 0; }
สูตร DEC #include<stdio.h> int main() { printf("DEC OCt HEX\n"); printf("==========================\n"); printf("%2d X-2o %x\n",0,0,0); printf("%2d X-2o %x\n",1,1,1); printf("%2d X-2o %x\n",2,2,2); printf("%2d X-2o %x\n",3,3,3); printf("%2d X-2o %x\n",4,4,4); printf("%2d X-2o %x\n",5,5,5); printf("%2d X-2o %x\n",6,6,6); printf("%2d X-2o %x\n",7,7,7); printf("%2d X-2o %x\n",8,8,8); printf("%2d X-2o %x\n",9,9,9); printf("%2d X-2o %x\n",10,10,10); printf("%2d X-2o %x\n",11,11,11); printf("%2d X-2o %x\n",12,12,12); printf("%2d X-2o %x\n",13,13,13); printf("%2d X-2o %x\n",14,14,14); printf("%2d X-2o %x\n",15,15,15); }
สตรู key #include<stdio.h> int main() { int key; printf("please enter value=> ");scanf("%d",&key); printf("\n value is %d of ASCII code of %c\n",key,key); }
สูตร Num #include<stdio.h> int main() { int num1,num2,num3,num4,num5; num1=1; num2=12; num3=123; num4=1234; num5=12345; printf("%5d %-5d\n ",num1,num1); printf("%5d %-5d\n ",num2,num2); printf("%5d %-5d\n ",num3,num3); printf("%5d %-5d\n ",num4,num4); printf("%5d %-5d\n ",num5,num5); }
สตรูสี่เหลี่ยมผืนผ้า #include<stdio.h> int main() { int wide; int length; int rectangle; printf("Input wide :") ; scanf("%d",&wide); printf("Input length :") ; scanf("%d",&length); rectangle = wide*length; printf("answer rectangle : %d",rectangle); return 0; }
สตรูสี่เหลี่ยมผืนผ้า #include<stdio.h> int main() { int side; int squear; printf("Input side :") ; scanf("%d",&side); squear = (side*side)*6; printf("answer squear : %d",squear); return 0; }
สูตร test #include<stdio.h> int main() { int test1,test2,test3,Answer; printf("test1: ");scanf("%d",&test1); printf("test2: ");scanf("%d",&test2); printf("test3: ");scanf("%d",&test3); Answer = test1+test2+test3; printf("Answer sum(test1+test2+test3): %d",Answer); }
สตูรหาสามเหลยี่ม #include<stdio.h> int main() { int base; int height; int triangle; printf("Input base :") ; scanf("%d",&base); printf("Input height :") ; scanf("%d",&height); triangle = 0.5*base*height; printf("answer triangle : %d",triangle); return 0; }
สตร ู Year #include<stdio.h> int main() { int Year,Answer; printf("Year: ");scanf("%d",&Year); Answer = Year-543; printf("Answer: %d",Answer); }