提交记录 #370

编译情况：编译错误

code.c: In function ‘sort’:
code.c:28:16: error: too few arguments to function ‘pf’
   28 |             if(pf(p[j]),p[j+1]>0){
      |                ^~
code.c:28:24: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   28 |             if(pf(p[j]),p[j+1]>0){
      |                        ^
code.c: In function ‘input’:
code.c:38:9: warning: implicit declaration of function ‘scaf’; did you mean ‘scanf’? [-Wimplicit-function-declaration]
   38 |         scaf("%d",&p[i]);
      |         ^~~~
      |         scanf
code.c: At top level:
code.c:50:12: error: parameter ‘a’ has just a forward declaration
   50 | int up(int a;int b){
      |        ~~~~^
code.c:50:5: error: conflicting types for ‘up’
   50 | int up(int a;int b){
      |     ^~
code.c:7:5: note: previous declaration of ‘up’ was here
    7 | int up(int, int);     // a<b:1； a=b:0；a>b:-1反序
      |     ^~
code.c: In function ‘up’:
code.c:51:8: error: ‘a’ undeclared (first use in this function)
   51 |     if(a<b)return 1;
      |        ^
code.c:51:8: note: each undeclared identifier is reported only once for each function it appears in

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

50【小学】整数再排序——指针

#include<stdio.h>
void sort(int *p,int n,int (*pf)(int,int)){
    for (int i=0;i<n-1;i++){
        for(int j=0;j<n-i-1;j++){
            if(pf(p[j]),p[j+1]>0){
                int t=p[j];
                p[j]=p[j+1];
                p[j+1]=t;
            }
        }
    }
}
int input(int *p,int n){
    for (int i=0;i<n;i++){
        scaf("%d",&p[i]);
    }
    return 0;
}

int output(int*p,int n){
    for(int i=0;i<n;i++){
        printf("%d",p[i]);
    }
    printf("\n");
    return 0;
}
int up(int a;int b){
    if(a<b)return 1;
    if(a>b)return -1;
    return 0;
}
int down(int a,int b){
    if(a<b)return -1;
    if(a>b)return 1;
    return 0;
}