#55625: c++ 簡單解


61247091s@gapps.ntnu.edu.tw (wei)


#include <bits/stdc++.h>
using namespace std;

int main(){
    int num,diff,a,b,c,cnt=0,total=0;
    cin>>num>>diff;
    while(num--){
        cin>>a>>b>>c;
        if(abs(a-b)<diff&&abs(a-c)<diff&&abs(b-c)<diff)continue;
        cnt++;
        total+=(a+b+c)/3;
    }
    cout<<cnt<<" "<<total;
    return 0;
}