運行結果不對，求大神指點
#include <stdio.h>
#include<string.h>
#define N 5
#define M 10
int fun(char (*ss)[N][M],int k)
{
??? int i,j=0,len;
??? for(i=0;i<N;i++)
??? {
??????? len=strlen(ss[i]);
??????? if(len<=k)
??????? strcpy(ss[j++],ss[i]);
??? }
??? return j;
}
int main()
{
??? char x[N][M]={"Beijing","Shanghai","Tianjing","Nanjing","Wuhan"};
??? int i,f;
??? printf("\nThe original string\n");
??? for(i=0;i<N;i++)puts(x[i]);
??? printf("\n");
??? f=fun(x,7);
??? printf("The string witch length is less than or equal to 7：\n");
??? for(i=0;i<f;i++)puts(x[i]);
??? printf("\n");
??? return 0;
???
}
2018-07-27
#include <stdio.h>
#include <stdlib.h>
#define N 10
int cmp(const void *a,const void *b){
? ? return *(int*)b - *(int*)a;
}
int Sum(int score[]){
? ? int s = 0,i;
? ? for(i = 0 ; i < N ; i++)
? ? ? ? s += score[i];
? ? return s;
}
int Max(int score[]){
? ? return score[0];
}
int Min(int score[]){
? ? return score[N-1];
}
double Avg(int s){
? ? return (s + 0.0) / N;
}
int main()
{
? ? int score[N]={67,98,75,63,82,79,81,91,66,84};
? ? int i,sum;
? ? sum = Sum(score);
? ? qsort(score,N,sizeof(int),cmp);//sort it
? ? printf("Total score : %d\n",sum);
? ? printf("Max score : %d\n",Max(score));
? ? printf("Min Score : %d\n",Min(score));
? ? printf("Average score : %f\n",Avg(sum));
? ? printf("\n成績排序:\n");
? ? for(i = 0 ; i < N ; i++)
? ? {
? ? ? ? printf("Rank %d's score : %d\n",i+1,score[i]);
? ? }
? ? return 0;
}
這樣呀。