Submission #1174053

#	Time	Username	Problem	Language	Result	Execution time	Memory
1174053		_ncng.nyr	Nile (IOI24_nile)	C++20	Compilation error	0 ms	0 KiB

nile

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

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

long long ra(long long l, long long r) {
  return l + rng() % (r - l + 1);
}

int main() {
  for(int test = 1; test <= 1000; test++) {
    cerr << "Test Case #" << test << ":\n";

    ofstream inp("task.inp");

    int n = ra(3, 4);
    inp << n << "\n";
    int lim = 20;
    for(int i = 1; i <= n; i ++) {
      int A = ra(2, 10);
      inp << ra(1, lim) << " " << A << " " << ra(1, A - 1) << "\n";
    }

    int q = 10;
    inp << q << "\n";
    while(q--) {
      inp << ra(1, lim) << " ";
    }



    inp.close();

    system ("code.exe");
    system ("codew.exe");
    if (system ("fc task.out task.ans")) exit(0);
  }
}

Compilation message (stderr)

nile.cpp: In function 'int main()':
nile.cpp:34:12: warning: ignoring return value of 'int system(const char*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |     system ("code.exe");
      |     ~~~~~~~^~~~~~~~~~~~
nile.cpp:35:12: warning: ignoring return value of 'int system(const char*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |     system ("codew.exe");
      |     ~~~~~~~^~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccM22MVD.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccxP7mDv.o:nile.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccM22MVD.o: in function `main':
grader.cpp:(.text.startup+0x30e): undefined reference to `calculate_costs(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status