随笔分类 -  c语言

摘要：#include<stdio.h>int main(){ int n,i,l,r,l1=0,r1=0; scanf("%d",&n); for(i=1;i<=n;i++) { scanf("%d %d",&l,&r); if(l==1)l1++; if(r==1)r1++; } if(n-l1<l1)l1=n-l1; if(n-r1<r1)l1+=n-r1; else l1+=r1; printf("%d",l1); return 0;}http://codeforces.com/ 阅读全文

摘要：#include<stdio.h>int main(){ int n,i; scanf("%d",&n); if(n<=2){printf("-1");return 0;} for(;n>0;n--)printf("%d ",n);return 0;}http://codeforces.com/contest/246/problem/A 阅读全文