Compilare: main.cpp: In function 'int wallLength(std::vector<std::vector<int> >, int)': main.cpp:49:37: warning: value computed is not used [-Wunused-value] 49 | arr[i-k][j] == -3; main.cpp:53:37: warning: value computed is not used [-Wunused-value] 53 | arr[i-k][j] == -5; main.cpp:63:37: warning: value computed is not used [-Wunused-value] 63 | arr[i+k][j] == -3; main.cpp:67:37: warning: value computed is not used [-Wunused-value] 67 | arr[i+k][j] == -5; main.cpp:81:37: warning: value computed is not used [-Wunused-value] 81 | arr[i][j-k] == -4; main.cpp:85:37: warning: value computed is not used [-Wunused-value] 85 | arr[i][j-k] == -5; main.cpp:98:37: warning: value computed is not used [-Wunused-value] 98 | arr[i][j-k] == -4; main.cpp:102:37: warning: value computed is not used [-Wunused-value] 102 | arr[i][j+k] == -5; main.cpp: In function 'void robotTime(std::vector<std::vector<int> >, int, int, int, int, int, int, int, int, int, int*)': main.cpp:144:80: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 144 | if(((uj_i-l1) * (t2-l2) == (uj_j-l2) * (t1-l1) && ((l1 <= uj_i && uj_i <= t1 || t1 <= uj_i && uj_i <= l1) && (l2 <= uj_j && uj_j <= t2 || t2 <= uj_j && uj_j <= l2))) || (l1 == uj_i && l2 == uj_j)){ | ~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:144:138: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 144 | if(((uj_i-l1) * (t2-l2) == (uj_j-l2) * (t1-l1) && ((l1 <= uj_i && uj_i <= t1 || t1 <= uj_i && uj_i <= l1) && (l2 <= uj_j && uj_j <= t2 || t2 <= uj_j && uj_j <= l2))) || (l1 == uj_i && l2 == uj_j)){ | ~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:151:80: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 151 | if(((uj_i-l3) * (t2-l4) == (uj_j-l4) * (t1-l3) && ((l3 <= uj_i && uj_i <= t1 || t1 <= uj_i && uj_i <= l3) && (l4 <= uj_j && uj_j <= t2 || t2 <= uj_j && uj_j <= l4))) || (l3 == uj_i && l4 == uj_j)){ | ~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:151:138: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 151 | if(((uj_i-l3) * (t2-l4) == (uj_j-l4) * (t1-l3) && ((l3 <= uj_i && uj_i <= t1 || t1 <= uj_i && uj_i <= l3) && (l4 <= uj_j && uj_j <= t2 || t2 <= uj_j && uj_j <= l4))) || (l3 == uj_i && l4 == uj_j)){ | ~~~~~~~~~~~^~~~~~~~~~~~~