Submission #4050016

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Source Code Expand

#include <iostream>
#include <algorithm>
#include <string>
using namespace std;

int main(){
    int n, t[2], x[2], y[2];
    bool ans=true;
    t[0] = 0; x[0] = 0; y[0] = 0;
    cin >> n;
    for(int i=0; i<n; i++){
        if(i>0){
            t[0] = t[1]; x[0] = x[1]; y[0] = y[1];
        }
        cin >> t[1] >> x[1] >> y[1];
        int t2, x2, y2;
        t2 = t[1] - t[0];
        x2 = abs(x[1] - x[0]);
        y2 = abs(y[1] - y[0]);
        if(t2 < x2 + y2 || t2%2 != (x2 + y2)%2){
            ans = false;
        }
    }
    if(ans) cout << "Yes" << endl;
    else cout << "No" << endl;
}

Submission Info

Judge Result