25 lines
381 B
C++
25 lines
381 B
C++
#include <iostream>
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using namespace std;
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int main()
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{
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int m,n,l;
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cin>>m>>n>>l;
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int dui=m/2,all=m+n;
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if(n<dui){
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dui=n;
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}
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all=all-dui*3;
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if(l<=all){
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cout<<dui;
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return 0;
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}
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l-=all;
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if(l%3==0){
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cout<<dui-l/3;
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return 0;
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}else{
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cout<<dui-l/3-1;
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return 0;
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}
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}
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