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怎么会RE呢?真奇怪!我没用到stack啊。怎么会是stack overflow呢?请大牛看看。#include<iostream> using namespace std; int main() { int t=0,m=0,j=0,i=0,k=0; int number[113512]={0},weishu_1[113513]={0},weishu_2[113513]={0}; for(i=1;i<10;i++) weishu_2[i]=1; for(i=10;i<100;i++) weishu_2[i]=2; for(i=100;i<1000;i++) weishu_2[i]=3; for(i=1000;i<10000;i++) weishu_2[i]=4; for(i=10000;i<100000;i++) weishu_2[i]=5; for(i=100000;i<113512;i++) weishu_2[i]=6; cout<<1<<endl; for(i=1;i<=113511;i++) { weishu_1[i]=weishu_1[i-1]+weishu_2[i]; } for(i=1;i<=113511;i++) { number[i]=number[i-1]+weishu_1[i]; } cin>>t; for(i=1;i<=t;i++) { cin>>m; for(j=0;j<=113510;j++) if(m>number[j]&&m<=number[j+1]) m-=number[j]; if(m>number[113511]) m-=number[113511]; for(k=1;k<=113512;k++) if(m>weishu_1[k]&&m<=weishu_1[k+1]) { m-=weishu_1[k]; if(m==weishu_1[k+1]) cout<<(k+1)%10<<endl; else cout<<((k+1)/(10*(weishu_2[k+1]-m)))%10<<endl; } } return 0; } Followed by:
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