蚊香液
if(a%2==0)
{
max=a/2;
min = (a+2)/4;
}
else
{
max = 0;
min = 0;
}
printf("",m,n);
#include void main()
{
int a, b, c, m = 0, n = 0;
scanf("%d%d", &a, &b);
for(c>=a; c<= b; c++)
if(c%2==0)m = m+ c*c;
else n = n+ c*c*c;
printf("%d %d %d\n",m,n,c);
}
int a, b;
int c,min,max;
min =a ;
if (bmax)max=b;
if (c>max)max=c;
#include
void main()
{
char ch;
int num0,num1,num2,num3,num4;
int num5,num6,num7,num8,num9;
num0=num1=num2=num3=num4=0;
num5=num6=num7=num8=num9=0;
ch = getchar();
while(ch != '\n')
{
switch(ch)
{
case '0': num0++;
case '1': num1++;
case '2': num2++;
case '3': num3++;
case '4': num4++;
case '5': num5++;
case '6': num6++;
case '7': num7++;
case '8': num8++;
case '9': num9++;
}
ch = getchar();
}
printf("%d %d %d %d %d %d %d %d %d %d \n",
num0,num1,num2,num3,num4,
num5,num6,num7,num8,num9);
}
#include
int main(void)
{
int choice, i;
double price;
for( i = 1; i <= 5; i++) {
printf("[1] Select crisps \n");
printf("[2] Select popcorn \n");
printf("[3] Select chocolate \n");
printf("[4] Select cola \n");
printf("[0] exit \n");
printf("Enter choice: ");
scanf("%d", &choice);
if(choice == 0) break;
switch (choice) {
case 1: price=3.0; break;
case 2: price=2.5; break;
case 3: price=4.0; break;
case 4: price=3.5; break;
default: price=0.0; break;
}
printf("price = %0.1f\n", price);
}
printf("Thanks \n");
}
#include
void main()
{
float tax, salary;
int rate;
scanf("%f", &salary);
switch( (int)salary/500)
{
case 0:
case 1: rate = 0;break;
case 2: rate = 5; break;
case 3:
case 4:
case 5: rate = 10;break;
default: rate =15;
}
tax = rate*(salary-850)/100;
printf("%.2f\n",tax); }
#include
void main()
{
char ch;
int num0,num1,num2,num3,num4;
int num5,num6,num7,num8,num9;
int others = 0;
num0=num1=num2=num3=num4=0;
num5=num6=num7=num8=num9=0;
ch = getchar();
while(ch != '\n')
{
switch(ch)
{
case '0': num0++; break;
case '1': num1++; break;
case '2': num2++; break;
case '3': num3++; break;
case '4': num4++; break;
case '5': num5++; break;
case '6': num6++; break;
case '7': num7++; break;
case '8': num8++; break;
case '9': num9++; break;
default: others++;
}
ch = getchar();
}
printf("%d %d %d %d %d %d %d %d %d %d \n",
num0,num1,num2,num3,num4,
num5,num6,num7,num8,num9);
printf("%d\n", others);
}
switch(month)
{
case 4 days=days+31+28+31;break;
case 3 days=days+28+31;break;
case 2 days=days+31;break;
case 1 days+=0;
}
}
#include
void main()
{
char ch;
int i;
int num[10];
for(i = 0; i < 10; i++)num[i] = 0;
while((ch = getchar()) != '\n')
{
for(i = 0; i < 10; i++)
if(ch == '0' + i)num[i]+=1;
}
for(i = 0; i < 10; i++)
printf("%d ", num[i]);
printf("\n");
}