Compilare: main.cpp: In function 'int main()': main.cpp:34:60: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] mx[0][i - 1][j] = max(mx[0][i - 1][j], p[1 - tt & 1][i][j] - i - j); ~~^~~~ main.cpp:35:60: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] mx[0][i][j - 1] = max(mx[0][i][j - 1], p[1 - tt & 1][i][j] - i - j); ~~^~~~ main.cpp:37:60: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] mx[1][i][j + 1] = max(mx[1][i][j + 1], p[1 - tt & 1][i][j] - i + j); ~~^~~~ main.cpp:38:60: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] mx[1][i - 1][j] = max(mx[1][i - 1][j], p[1 - tt & 1][i][j] - i + j); ~~^~~~ main.cpp:40:60: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] mx[2][i + 1][j] = max(mx[2][i + 1][j], p[1 - tt & 1][i][j] + i - j); ~~^~~~ main.cpp:41:60: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] mx[2][i][j - 1] = max(mx[2][i][j - 1], p[1 - tt & 1][i][j] + i - j); ~~^~~~ main.cpp:43:60: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] mx[3][i + 1][j] = max(mx[3][i + 1][j], p[1 - tt & 1][i][j] + i + j); ~~^~~~ main.cpp:44:60: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] mx[3][i][j + 1] = max(mx[3][i][j + 1], p[1 - tt & 1][i][j] + i + j); ~~^~~~ main.cpp:65:49: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] p[tt & 1][i][j] = tt + 1 + (p[1 - tt & 1][i][j] + tt * max(max(mx[0][i][j] + i + j, mx[1][i][j] + i - j), max(mx[2][i][j] - i + j, mx[3][i][j] - i - j))) % q; ~~^~~~