編程顯示用戶輸入月份的天數,月份對應英文簡寫

#include<string.h>

int fm(char *p)

{

char m[12][4]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};

int i;

for(i=0;i<12;i++)

if(strcmp(p,m[i])==0)

break;

return i+1;

}

void main()

{

char mstr[4];

int d;

cout<<"輸入月份:";

cin>>mstr;

switch(fm(mstr))

{

case 1: case 3: case 5: case 7: case 8: case 10:

case 12: d=31; break;

case 2: case 4: case 6: case 9:

case 11: d=30;

}

cout<<" The number of days is "<<d<<endl;

}