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为什么超过时间限制???#include <stdio.h> int main() { while(1) { int flag,ans=0; scanf("%d",&flag); if(flag==0) continue; else { int i; for(i=1;i*(i+1)/2<=flag;i++){} ans=(i-1)*i*(2*i-1)/6+i*(flag-(i*(i-1))/2); } printf("%d %d\n",flag,ans); } return 0; } Followed by:
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