Submission #72473

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
72473	2018-08-26 08:25:33	BBBSNG (#118)	Aquatic Labyrinth (FXCUP3_aqua)	C++17	100 / 100	861 ms	203088 KiB

aqua

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#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
vector<pii> adj[2000005];
priority_queue<pii, vector<pii>, greater<pii> > pq;
int D[2000005];
char A[909][909];
int N;
int R[909][909];
int C[909][909];
int Rc[909][909];
int Cc[909][909];
vector<pii> G[2000005];
int cvt(int r, int c, int type) {
  if(type == 0) return (r * N + c) * 2;
  return (c * N + r) * 2 + 1;
}
int main() {
  for(int i = 0; i < 2000005; i++) D[i] = 987654321;
  scanf("%d", &N);
  for(int i = 0; i < N; i++) scanf("%s", A[i]);
  int sx, sy, ex, ey;
  for(int i = 0; i < N; i++) {
    int num = 0;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

aqua.cpp: In function 'int main()':
aqua.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
aqua.cpp:26:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 0; i < N; i++) scanf("%s", A[i]);
                             ~~~~~^~~~~~~~~~~~
aqua.cpp:115:21: warning: 'sx' may be used uninitialized in this function [-Wmaybe-uninitialized]
  for(pii i : adj[cvt(C[sx][sy], sy, 1)]) {
                  ~~~^~~~~~~~~~~~~~~~~~
aqua.cpp:141:47: warning: 'ex' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int ans = min(D[cvt(ex, R[ex][ey], 0)], D[cvt(C[ex][ey], ey, 1)]);
                                            ~~~^~~~~~~~~~~~~~~~~~
aqua.cpp:27:18: warning: 'ey' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int sx, sy, ex, ey;
                  ^~
aqua.cpp:27:10: warning: 'sy' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int sx, sy, ex, ey;
          ^~

• Subtask 1: 36 / 36
• Subtask 2: 64 / 64