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help!!why tle??#include<stdio.h> #include<string.h> #include<algorithm> using namespace std; int a[70],s[70],m,t,n; bool dfs(int x,int y,int max) { if(x<0)return true; int i=0; if(x<n-1&&s[x]==s[x+1])i=y-1; for(;i<=max&&i<t/m;i++)if(a[i]+s[x]<=m) { a[i]+=s[x]; if(dfs(x-1,i+1,(i+1>max)?i+1:max))return true; a[i]-=s[x]; } return false; } int main() { scanf("%d",&n); while(n) { t=0; for(int i=0;i<n;i++)scanf("%d",s+i),t+=s[i]; sort(s,s+n); for(m=s[n-1];m<t;m++)if(t%m==0) { memset(a,0,sizeof(a)); if(dfs(n-1,0,0))break; } printf("%d\n",m); scanf("%d",&n); } } Followed by:
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