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static String canConstruct(int[] a) {
// Return "Yes" or "No" denoting whether you can construct the required number.
int len=a.length;
int sum=0;
for(int a1:a){
for(;a1>0;a1=a1/10)
sum=sum+a1%10;
}
if(sum%3==0)
return "Yes";
else
return "No";
}
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Constructing a Number
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static String canConstruct(int[] a) { // Return "Yes" or "No" denoting whether you can construct the required number. int len=a.length; int sum=0; for(int a1:a){ for(;a1>0;a1=a1/10) sum=sum+a1%10; } if(sum%3==0) return "Yes"; else return "No"; }