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#include <stdio.h>
int main(void)
{
int price[][5] =
{
13, 1, 218, 39, 48,
5, 6, 7, 82, 1001,
14784, 173, 88, 1899, 9,
784, 3, 2, -6, 19,
-9, 12, 33, 15, 111
};
for(int i = 0; i < 5; i++)
{
for(int j = 0; j <5; j++)
{
printf("%d\t\t", price[i][j]);
}
printf("\n");
}
return 0;
}
#include <stdio.h>
void extend(float price[], float quantity[], float amount[])
{
for (int i = 0; i < 10; i++)
{
amount[i] = price[i] * quantity[i];
}
return;
}
int main(void)
{
float price[] = {10.62f,14.89f,13.21f,16.55f,18.62f,9.47f,6.58f,18.32f,12.15f,3.98f};
float quantity[] = {4.8f, 5.6f, 8.35f, 9.0f, 15.3f, 3.0f, 5.4f, 2.9f, 4.8f};
float amount[10];
extend(price, quantity, amount);
for (int i = 0; i < 10; i++)
{
printf("%f\n", amount[i]);
}
return 0;
}
#include <stdio.h>
int main() {
double a[] = {18.24,25.63,5.94,33.92,3.71,32.84,35.93,18.24,6.92};
double max, min;
max = min = a[0];
for(int i = 0; i < sizeof(a)/ sizeof(a[0]); i++)
{
if(a[i] > max)
max = a[i];
else
if(a[i] < min)
min = a[i];
}
printf("max = %.2lf, min = %.2lf", max, min);
}
//
//编C程序,保持跟踪文本行从键盘被敲入时的每个元音的出现频率。
//文本的结束用EOF指定。程序的输出应该是在输入文本中遇到的每个元音字母的计数。
#include <stdio.h>
int main() {
int a[5] = {0}; //5个元音的统计
FILE *fp = fopen("m.cpp", "r+");
char c;
while((c = getc(fp)) != EOF)
{
putchar(c);
if(c == 'a')
a[0]++;
else
if(c == 'e')
a[1]++;
else
if(c == 'i')
a[2]++;
else
if(c == 'o')
a[3]++;
else
if(c == 'u')
a[4]++;
}
printf("\na number = %d,e number = %d,i number = %d,o number = %d, u number = %d",
a[0],a[1],a[2],a[3],a[4]);
}