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https://github.com/wczffl-503/OI-Codes.git
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添加了许多代码文件
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26
「程序3-2」开灯问题.cpp
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26
「程序3-2」开灯问题.cpp
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#include <iostream>
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#include <iomanip>
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#include <cstring>
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#include <cstdio>
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#include <ctime>
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using namespace std;
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int main(){
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int a,b,c[100000];
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cin >>a>>b;
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for(int i=1;i<=a;i++){
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c[i]=0;
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}
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for(int i=2;i<=b;i++){
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for(int j=1;j<=a;j++){
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if(j%i==0){
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c[j]++;
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}
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}
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}
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for(int i=1;i<=a;i++){
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if(c[i]%2==0){
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cout <<i<<" ";
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}
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}
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return 0;
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}
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