Submission #966358

#	Time	Username	Problem	Language	Result	Execution time	Memory
966358		jadai007	Best Place (NOI17_bestplace)	C++14	Compilation error	0 ms	0 KiB

bestplace

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

int n, x[100010], y[100010], px, py;
ll ax, ay, mxx, mxy;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin >> n;
    for(int i=1; i<=n; i++) {
        cin >> x[i] >> y[i];
        ax += x[i];
        ay += y[i];
    }
    sort(x+1, x+n+1);
    sort(y+1, y+n+1);
    mxx = ax;
    mxy = ay;
    px = x[1];
    py = y[1];
    for(int i=2; i<=n; i++) {
        ax -= (n-i+1)(x[i]-x[i-1]);
        ax += (i-1)(x[i]-x[i-1]);
        if(mxx < ax) {
            ax = mxx;
            px = x[i];
        }
        ay -= (n-i+1)(y[i]-y[i-1]);
        ay += (i-1)(y[i]-y[i-1]);
        if(mxy < ay) {
            ay = mxy;
            py = y[i];
        }
    }
    cout << px << " " << py;
    return 0;
}

Compilation message (stderr)

bestplace.cpp: In function 'int main()':
bestplace.cpp:23:34: error: expression cannot be used as a function
   23 |         ax -= (n-i+1)(x[i]-x[i-1]);
      |                                  ^
bestplace.cpp:24:32: error: expression cannot be used as a function
   24 |         ax += (i-1)(x[i]-x[i-1]);
      |                                ^
bestplace.cpp:29:34: error: expression cannot be used as a function
   29 |         ay -= (n-i+1)(y[i]-y[i-1]);
      |                                  ^
bestplace.cpp:30:32: error: expression cannot be used as a function
   30 |         ay += (i-1)(y[i]-y[i-1]);
      |                                ^