#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <windows.h>
double getAvg(int arr[]){
}
int main(){
SetConsoleOutputCP(65001);
srand((unsigned) time(NULL));
double randVal=rand()%100;
double randVal1=randVal/100;
printf("%f",randVal1);
return 0;
}
//extern 申明变量在别的文件
随机10个数,保留小数点后两位
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <windows.h>
double getAvg(int arr[]){
}
int main(){
SetConsoleOutputCP(65001);
srand((unsigned) time(NULL));
double randVal;
double randVal1;
for(int i=0;i<10;i++){
randVal=rand()%100;
randVal1=randVal/100;
printf("%.2f\n",randVal1);
}
return 0;
}
//extern 申明变量在别的文件
随机赋值数组0~99
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <windows.h>
double getAvg(int arr[]){
}
int main(){
SetConsoleOutputCP(65001);
srand((unsigned) time(NULL));
int arr[10];
for(int i=0;i<10;i++){
arr[i]=rand()%100;
}
for(int j=0;j<10;j++){
printf("%d\n",arr[j]);
}
return 0;
}