Compilare: main.cpp: In function 'bool Ok(int, int)': main.cpp:31:22: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(mat[i][j] = -1) ^ main.cpp: In function 'void Lee()': main.cpp:50:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(Ok(i2, j2) && mat[i2][j2] < 1) ^~ main.cpp:52:7: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' coada.push(make_pair(i2, j2)); ^~~~~ main.cpp:40:13: warning: 'i' is used uninitialized in this function [-Wuninitialized] mat[i][j] = 1; ~~~~~~~~~~^~~ main.cpp:40:13: warning: 'j' is used uninitialized in this function [-Wuninitialized] main.cpp:48:26: warning: iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations] i2 = i + dOx[directie]; ~~~~~~~~~~~~^ main.cpp:47:36: note: within this loop for(int directie = 1; directie <= 4; directie++){ ~~~~~~~~~^~~~