Submission #1481913

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Source Code Expand

#include <cstdio>
#include <cmath>
#include <iostream>
#include <vector>
#include <algorithm>
#include <utility>

using namespace std;
using llng = long long;
template<typename T> using v = vector<T>;
template<typename T> using vv = v<v<T> >;

int main() {
    int N; cin >> N;
    v<double> Ax(N), Ay(N), Bx(N), By(N);
    double gax, gay, gbx, gby;
    for (int i=0; i<N; i++) {
        cin >> Ax[i] >> Ay[i];
        gax += Ax[i]; gay += Ay[i];
    }
    gax /= N; gay /= N;
    for (int i=0; i<N; i++) {
        cin >> Bx[i] >> By[i];
        gbx += Bx[i]; gby += By[i];
    }
    gbx /= N; gby /= N;

    double aml = 0, bml = 0;
    for (int i=0; i<N; i++) {
        aml = max(aml, sqrt((Ax[i]-gax)*(Ax[i]-gax) + (Ay[i]-gay)*(Ay[i]-gay)));
        bml = max(bml, sqrt((Bx[i]-gbx)*(Bx[i]-gbx) + (By[i]-gby)*(By[i]-gby)));
    }
    double p = bml / aml;
    printf("%.8lf\n", p);
    return 0;
}

Submission Info

Compile Error

./Main.cpp:9:7: error: expected nested-name-specifier before ‘llng’
 using llng = long long;
       ^
./Main.cpp:10:22: error: expected unqualified-id before ‘using’
 template<typename T> using v = vector<T>;
                      ^
./Main.cpp:11:22: error: expected unqualified-id before ‘using’
 template<typename T> using vv = v<v<T> >;
                      ^
./Main.cpp: In function ‘int main()’:
./Main.cpp:15:5: error: ‘v’ was not declared in this scope
     v<double> Ax(N), Ay(N), Bx(N), By(N);
     ^
./Main.cpp:15:7: error: expected primary-expression before ‘double’
     v<double> Ax(N), Ay(N), Bx(N), By(N);
       ^
./Main.cpp:18:16: error: ‘Ax’ was not declared in this scope
         cin >> Ax[i] >> Ay[i];
                ^
./Main.cpp:18:25: error: ‘Ay’ was not declared in this scope
         cin >> Ax[i] >> Ay[i];
                         ^
./Main.cpp:23:16: error: ‘Bx’ was not declared in this scope
         cin >> Bx[i] >> By[i];
                ^
./Main.cpp:23:25: error: ‘By’ was not decla...