C语言计算闰年程序.doc

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1、//计算闰年的程序#include#include//判断年份是否为闰年intmain()//运算符{intyear;printf("pleaseinputayear:");scanf("%d",&year);if(year%4==0&&year%100!=0

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3、year%400==0)//if(year%400==0

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5、year%4==0&&year%100!=0)printf("%disrunnian",year);elseprintf("thisisnotrunnian");}//*************************

6、*******voidmain()//条件{intyyear;printf("闰年查询请输入要查询的年份:");scanf("%d",&yyear);if(yyear%400==0)printf("%d是闰年",yyear);if(yyear%4==0)if(yyear%100==0)printf("%d不是闰年",yyear);elseprintf("%d是闰年",yyear);elseprintf("%d不是闰年",yyear);}//********************************************************************

7、*****************************************//voidmain()//条件嵌套{intyyear,A;printf("闰年查询请输入要查询的年份:");scanf("%d",&yyear);if(yyear%400==0)A=1;if(yyear%4==0)if(yyear%100==0)A=0;elseA=1;elseA=0;if(A==1)printf("%d是闰年",yyear);elseprintf("%d不是闰年",yyear);}//*********************************************

8、*****************************************************voidjisuanrunnian(intx)//函数调用{intA=1;if(x%400==0)A=1;if(x%4==0)if(x%100==0)A=0;elseA=1;elseA=0;if(A==1)printf("%d是闰年",x);elseprintf("%d不是闰年",x);}voidmain(){intyyear;printf("闰年查询请输入要查询的年份:");scanf("%d",&yyear);jisuanrunnian(yyear);}