c語言練習篇(3)

2021-10-05 16:34:16 字數 1603 閱讀 7511

#include

#include

#include

#include

using namespace std;

1.//就是儲存有關的題,對輸入的陣列,儲存,加以一定的約束判斷,給出答案

const

int maxn =

100010

;bool hashtable[maxn]=;

intmain()

for(

int i =

0; i < m; i++

)else

}system

("pause");

return0;

}/*const int maxn = 100010;

int hashtable[maxn]=;

int main()

for(int i = 0; i < m; i++)

system("pause");

return 0;}*/

2.//盈利的那道題 與錢有關

struct mooncake cake[

1010];

bool cmp

(mooncake a, mooncake b)

intmain()

//printf("c");

for(

int i =

0; i < n; i++

)sort

(cake,cake+n,cmp)

;double money =0;

//收益;

for(

int i =

0; i < n;i++

)else

}printf

("%.2f"

,money)

;//.1f 表示保留小數點後面一位 .2f表示保留小數點後面兩位

system

("pause");

return0;

}/*int cmp(int a, int b)

int main()

sort(arr,arr+10,cmp);

if(arr[0] == 0)} }

for(int i = 0; i < 10; i++)

system("pause");

return 0;}

*/3.

//二分查詢

intbinarysearch

(int a,

int left,

int right,

int x)

else

}return-1

;}intmain()

;printf

("%d %d\n"

,binarysearch

(a,0

, n-1,

6),binarysearch

(a,0

, n-1,

9));

system

("pause");

return0;

}

2020.5.2/週六

by 922

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