Algorithmic competition Getting Started classic exercise 3-1 score statistics Exercise 3-2 the length of a word

Exercise 3-1 Score Statistics

Enter some student's score, which score appears the most times? If there are multiple parallel, from small to large output.
Task 1: Non-negative integers with fractions not exceeding 100
Task 2: The score does not exceed 100 of the nonnegative real number, but retains a maximum of two decimal places.

Task 1

#include <stdio.h> #include <stdlib.h> #include <string.h> #define MAXN 101 + 10int a[maxn];int Main (int ARGC, Char *argv[]) {    int n, max = 0, I;  memset (A, 0, sizeof (a));  while (scanf ("%d", &n) = = 1)  {     a[n]++;     if (A[n] > max) max = A[n];  }  for (i = 0; I <=; i++)  {     if (a[i] = = max) printf ("%d", I);  }  printf ("\ n");  memset (A, 0, sizeof (a));  System ("PAUSE");  return 0;}

Task 2

#include <stdio.h> #include <stdlib.h> #include <string.h> #include <math.h> #define MAXN 10001 + 10int a[maxn];int Main (int argc, char *argv[]) {  double degree, m;  int max = 0, I;  memset (A, 0, sizeof (a));  while (scanf ("%lf", °ree) = = 1)  {     double m = degree*100;     int n;     n = Floor (m+0.5);     a[n]++;     if (A[n] > max) max = A[n];  }  for (i = 0; I <= 10000; i++)  {     if (a[i] = = max) printf ("%.2lf", i*0.01);  }  printf ("\ n");   System ("PAUSE");  return 0;}

Summary: Task 2 degree set to double, then to int, with floor (m+0.5), previously encountered, remember

Exercise 3-2 The length of the word

The average length of their output. Words contain only uppercase and lowercase letters, separated by one or more spaces.

#include <stdio.h> #include <stdlib.h> #include <string.h> #define MAXN 100char a[maxn];int Main (int ARGC, Char *argv[]) {  int count = 0;  float sum = 0;  while (scanf ("%s", a) = = 1)  {     count++;     Sum + = strlen (a);  }    printf ("%.3lf\n", sum/count);  System ("PAUSE");  return 0;}

Summary: Do not know the other answers on the Internet why write so many code, there is time to take a closer look

Algorithmic competition Getting Started classic exercise 3-1 score statistics Exercise 3-2 the length of a word