C language help bosses C homework

CodePudding user response:

By counting the date month and proved

CodePudding user response:

The second floor of the code is wrong no reference value don't learn

In return ((& gt; 400? -- -=/400 * 400, years)? + 365 * ((year/4) - (year/100) + (400)/year) : 0);
The words belong to the wise
- 400-400/=*
UB is a bad practice
Different compiler environment's handling of the expression