#include <stdio.h> //主函数 int main() { //定义 double f,c; //输入 scanf("%lf",&c); //处理 f=c*9/5+32; //输出 printf("%.2f",f); return 0; }
#include<stdio.h> int main() { int a,gw,bw,sw,g,b,r;
scanf("%d",&a); if(a<10&&a>99) { gw=a; r=a/10; sw=r; bw=r/10; b=gw; g=bw; r=b*100+sw*10+g; printf("%d\n",r); } return 0; }
#include <stdio.h>
int main() { char ch1,ch2; scanf("%c",&ch1);
ch2=ch1+32;
printf("%c",ch2); return 0; }
#include<stdio.h> #include<math.h> int main () { double a,b,c,d,x1,x2; scanf("%lf%lf%lf",&a,&b,&c); d=pow(b,2)-4*a*c; x1=(-b-sqrt(d))/(2*a), x2=(-b+sqrt(d))/(2*a); if (x1>=x2) printf("%.2lf %.2lf\n",x1,x2); else printf("%.2lf %.2lf\n",x2,x1);
return 0; }
#include<stdio.h> int main(void) { int a,b,c,n,s; scanf("%d",&n); c=n; n=n/10; a=n/10; b=n; s=a+b+c; printf("%d\n",s); return 0; }
#include<stdio.h> int main() { int m,n; int x,y; scanf("%d%d",&m,&n); for(x=0;x<=m;x++) { for(y=0;y<=m;y++) { if(x+y==m&&2*x+4*y==n) { printf("%d %d\n",x,y); } } } return 0; }
#include<stdio.h> int main() { int num,g,s,b,q,z; scanf("%d",&num); if(num>=1000&&num<10000) { q=num/1000; b=(num00)/100; s=(num0)/10; g=num; z=q+b+s+g; if(z%2==0) printf("Yes\n"); else printf("No\n"); }else{ printf("Invalid data"); }
return 0;
}
# include <stdio.h> int main() { float f1, f2; int i; char c; scanf("%f %d %c %f", &f1, &i, &c, &f2); printf("%c %d %.2f %.2f", c, i, f1, f2);
return 0; }
#include<stdio.h> int main() { int years=12*30*24*60*60; int months=30*24*60*60; int days =24*60*60; int n, ss, y, m, d; scanf("%d", &n); y = n/years; ss = n%years; m = ss/months+1; ss = ss%months; d = ss/days+1; printf("%d %d %d\n", 2011+y, m, d); return 0; }
#include<stdio.h> int main() { double x,y; scanf("%lf",&x); if(0<=x&&x<2) { y=-x+2.5; } else if(2<=x&&x<4) { y=2-1.5*(x-3)*(x-3); } else if(4<=x&&x<6) { y=x/2-1.5; } printf("%.3lf",y); return 0; }
#include<stdio.h> int main(){ int x,y; scanf("%d",&x); if(x<6){ y=x-12; }else if(x<15&&x>=6){ y=3*x-1; }else if(x>=15){ y=5*x+9; } printf("%d",y); return 0; }
#include<stdio.h> int main(){ double x,y; scanf("%lf",&x); if(x<=3){ y=10; }else if(x<=10&&x>3){ y=(x-3)*2+10; }else if(x>10){ y=14+(x-10)*3+10; } y=((int)(y+0.5)*10)/10; printf("%.lf",y); return 0; }
#include<stdio.h> int main(){ char x,y; scanf("%c",&x); if(x>=65&&x<=90){ printf("capital letters"); }else if(x<=122&&x>96){ printf("small letters"); }else if(x>47&&x<58){ printf("figures"); }else{ printf("others"); }
return 0; }
#include <stdio.h> int main(){ int x,y,z,n; int a=1; scanf("%d",&n); for(x=0;x<=n;x++){ for(y=0;y<=n;y++){ for(z=0;z<=n;z++){ if(x+y+z==n&&5*x+2*y+0.1*z==120){ printf("%d %d %d\n",x,y,z); a=0; } } } } if(a){ printf("No output\n"); } return 0; }
#include <stdio.h> #include <stdlib.h> #include <math.h> int main() { int m,i; int n; double t=1; scanf("%d",&m); for(i = 2; i<=m; i++) { t = t - ((1.0 )/ (i*i)); } printf("%.6f",t); return 0; }
#include <stdio.h> #include <stdlib.h> #include <math.h> int main() { int i,N; int y = 1; scanf("%d",&N); if(0 <= N <= 12) { for(i = N; i>0; i--) { y = i * y; } } printf("%d",y); return 0; }
#include<stdio.h> int main() { int m; int i; scanf("%d",&m); for(i=2;i<m;i++) {if(m%i==0) break; } if(i==m) printf("1"); else printf("0"); return 0; }
#include <stdio.h> int main(){ int a[10]; int max=0,x,i; for(i=0;i<10;i++){ scanf("%d",&a[i]); } for(i=0;i<10;i++){ if(max<a[i]){ max=a[i]; x=i; } } printf("%d %d",max,x); return 0; }
#include <stdio.h> #include <string.h> int main(){ char a[100],num; int i,j; gets(a); j=strlen(a); for(i=0;i<j/2;i++){ num=a[i]; a[i]=a[j-1-i]; a[j-1-i]=num; } printf("%s",a); return 0; }
#include <stdio.h> int main(){ int i,j,n,m,y; scanf("%d",&n); int a[n]; for(i=0;i<n;i++){ scanf("%d",&m); a[i]=m; } for(i=0;i<n;i++){ for(j=0;j<n;j++){ if(a[i]<a[j]){ y=a[i]; a[i]=a[j]; a[j]=y; } } } for(i=0;i<n;i++){ printf("%d ",a[i]); } return 0; }
