luckycoding的专栏

#include"stdio.h" #include"string.h" #include"ctype.h" int main() { int i,j,fla1=1,fla2=1; char a[141]; gets(a); int n=strlen(a); if(!islower(a[0])) { printf("Error!\n"); return 0;

#include"stdio.h" int main() {  int i,j,mid,low,high,min=0x7fffffff,m,n,u,d,tmp;  scanf("%d%d",&n,&m);  while(m--)  {   scanf("%d%d",&u,&d);   low=1,high=n;   while(high-low>2)   {       mi