Compilare: user.cpp: In function ‘int calculateAccessibleCages()’: user.cpp:104:56: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if((mat[i][j] % (s + 1) ^ k % (s + 1)) & 0 == 0) ^ user.cpp: In function ‘int setAccessibleCages()’: user.cpp:128:25: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if(tmp3 & 0 == 0) ^ user.cpp:139:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int calculateShortestPath()’: user.cpp:178:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < locuriCuMancare.size(); i++) ^ user.cpp:192:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void citire()’: user.cpp:68:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &n, &m, &t); ^ user.cpp:69:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &l, &c, &k, &s); ^ user.cpp:75:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &x1, &x2); ^ user.cpp:85:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &nr); ^ user.cpp: In function ‘int main()’: user.cpp:196:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("panda.in", "r", stdin); ^ user.cpp:197:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("panda.out", "w", stdout); ^ user.cpp:201:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &p); ^