二级C语言上机实验指导书.docVIP

二级C语言初等程序 1.1 #include stdio.h main() { double a,b,c,s,v; printf(input a,b,c:\n); scanf(%lf%lf%lf,a,b,c); s=a*b; v=a*b*c; printf(a=%lf,b=%lf,c=%lf\n,a,b,c); printf(s=%lf,v=%lf,s,v); } 1.2 #includestdio.h main() { int h,m; h=560/60; m=560%60; printf(560分钟可转换成%d小时%d分钟,h,m); } 1.3 #includestdio.h main() { int a,b,s,y; scanf(%d%d,a,b); s=a/b; y=a%b; printf(s=%d,yu=%d,s,y); } 1.4 #includestdio.h main() {double a,b,c,d; printf( a,b,c:); scanf(%lf%lf%lf,a,b,c); d = (a+b+c)/3; d = d*10; d = (int)(d+0.5); d = d/10; printf(%lf\n,d); } 1.6 #includestdio.h main() { int a,b,c,d; printf(Please input 3 NUM:\n); scanf(%d%d%d,a,b,c); d=c; c=b; b=a; a=d; printf(a=%d,b=%d,c=%d,a,b,c); } 2.1 #includestdio.h main() { switch( a /10 ) { case 0: case 1: case 2: m=1; break ; //if(a30) case 3: m=2; break ;// if(a40) case 4: m=3; break ; //if(a50) case 5: m=4; break ; //if(a60) default: m=5;break ; } } 2.2 #includestdio.h main() { int year,month,day; int birthY,birthM,birthD; int N; printf(输入生日); scanf(%d%d%d,birthY,birthM,birthD); printf(输入当前日期); scanf(%d%d%d,year,month,day); N=year-birthY; if(monthbirthM) N--; else if(month==birthM) if(daybirthD) N--; printf(年龄为%d\n,N); } 2.3 #includestdio.h main() { int a; scanf(%d,a); if(a%2==0) printf(偶数); else printf(奇数); } 2.4 #includestdio.h main() { int a,b,c; scanf(%d%d%d,a,b,c); if(ab) { if(ac) printf(%d,a); else printf(%d,c); } else { if(bc) printf(%d,b); else printf(%d,c); } } 2.5 1 #includestdio.h main() { int x,y; scanf(%d,x); if(x0x-5) y=x; if(x==0) y=x-1; if(x0x10) y=x+1; printf(%d,y); } 2 #includestdio.h main() { int x,y; scanf(%d,x); if(x-5x10) { if(x0) y=x; if(x==0) y=x-1; if(x0) y=x+1; } printf(%d,y); } 3 #includestdio.h main() { int x,y; scanf(%d,x);