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16 lines
181 B
C++
16 lines
181 B
C++
#include <iostream>
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using namespace std;
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int main(){
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int a;
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int b;
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int c;
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cin >>a>>b>>c;
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if(a<b+c && b<a+c && c<b+a){
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cout <<"yes";
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}
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else{
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cout <<"no";
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}
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return 0;
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}
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