提交记录 #376

编译情况：编译错误

code.c: In function ‘input’:
code.c:58:16: warning: zero-length gnu_printf format string [-Wformat-zero-length]
   58 |         printf("");
      |                ^~
code.c: At top level:
code.c:75:5: error: redefinition of ‘isPrim’
   75 | int isPrim(int x){
      |     ^~~~~~
code.c:32:5: note: previous definition of ‘isPrim’ was here
   32 | int isPrim(int x)
      |     ^~~~~~

固定测试点暂不可用

等待中

N/A

N/A

附加测试点暂不可用

不可用

N/A

51【大学】素数计数—用指针哦

#include<stdio.h>
#include<stdlib.h>
#include<math.h>
int*input(int n){
    int*p=(int*)malloc(n*sizeof(int));
    if(p==NULL){
        printf("");
        exit(1);
    }
    for (int i=0;i<n;i++){
        scanf("%d",&p[i]);
    }
    return p;
}
int PrimCount(int*p,int n){
    int count=0;
    for(int i=0;i<n;i++){
        if(isPrim(p[i])){
            count++;
        }
    }
    return count;
}
int isPrim(int x){
    if(x==2)return 1;
    if(x<=1||x%2==0)return 0;
    for(int i=3;i<=sqrt(x);i+=2){
        if(x%i==0)return 0;
    }
    return 1;
}