第5回課題の解答例

課題1

#include <stdio.h>

int main()
{
  int i;
  float height[5] = {175.2, 182.6, 166.5, 167.8, 170.0};
  float max = 0.0;
  for (i=0; i<5; i++)
  {
    if (max<height[i]) 
    {
      max = height[i];
    }
  }
  printf("max=%.1f\n", max);
  return 0;
}

課題2

#include <stdio.h>
#define N 5

int main()
{
  int v[N], w[N], total;
  int i;

  printf("v?\n");
  for (i=0; i<N; i++)
  {
    scanf("%d", &v[i]);
  }

  printf("w?\n");
  for (i=0; i<N; i++)
  {
    scanf("%d", &w[i]);
  }

  total = 0.0;
  for (i=0; i<N; i++)
  {
    total += v[i]*w[i];
  }

  printf("inner product: %d\n", total);

  return 0;
}

課題3

#include <stdio.h>

int main()
{
  char moji[1000];
  int i=0;

  scanf("%s", moji);
  while (moji[i]!='\0')
  {
    i++;
  }

  printf("%d\n", i);
  
  return 0;
}