Submission #447680

#	Time	Username	Problem	Language	Result	Execution time	Memory
447680		MilosMilutinovic	Seats (IOI18_seats)	C++14	Compilation error	0 ms	0 KiB

seats

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

typedef long long ll;
typedef long unsigned long ull;
typedef double long ld;

int h, w, r[1000005], c[1000005];

void give_initial_chart(int H, int W, int R[], int C[]) {
  h = H; w = W;
  for (int i = 0; i < h * w; i++) r[i] = R[i];
  for (int i = 0; i < h * w; i++) c[i] = C[i];
}

int swap_seats(int a, int b) {
  if (h * w <= 10000) {
    int ans = 0;
    pair<int, int> mn, mx;
    mx = mn = {r[0], c[0]};
    for (int i = 0; i < h * w; i++) {
      mx.first = max(mx.first, r[i]);
      mx.second = max(mx.second, c[i]);
      mn.first = min(mn.first, r[i]);
      mn.second = min(mn.second, c[i]);
      if ((mx.first - mn.first + 1) * (mx.second - mn.second + 1) == i + 1) {
        ans++;
     }
    }
    return ans;
  }
}

Compilation message (stderr)

seats.cpp: In function 'int swap_seats(int, int)':
seats.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type]
   32 | }
      | ^
/usr/bin/ld: /tmp/ccseuFaU.o: in function `main':
grader.cpp:(.text.startup+0x22f): undefined reference to `give_initial_chart(int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status