Compilare: main.cpp: In function 'int main()': main.cpp:12:23: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 12 | for (int c = 0; c < case_count; ++c) { | ~~^~~~~~~~~~~~ main.cpp:30:167: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 30 | rmq[corner_x][corner_y][powerH][powerW] = std::gcd(rmq[corner_x][corner_y][powerH][powerW - 1], rmq[corner_x][corner_y + (1 << powerW - 1)][powerH][powerW - 1]); | ~~~~~~~^~~ main.cpp:34:157: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 34 | rmq[corner_x][corner_y][powerH][powerW] = std::gcd(rmq[corner_x][corner_y][powerH - 1][powerW], rmq[corner_x + (1 << powerH - 1)][corner_y][powerH - 1][powerW]); | ~~~~~~~^~~ main.cpp:38:179: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 38 | rmq[corner_x][corner_y][powerH][powerW] = std::gcd(std::gcd(std::gcd(rmq[corner_x][corner_y][powerH - 1][powerW - 1], rmq[corner_x + (1 << powerH - 1)][corner_y][powerH - 1][powerW - 1]), rmq[corner_x][corner_y + (1 << powerW - 1)][powerH - 1][powerW - 1]), rmq[corner_x + (1 << powerH - 1)][corner_y + (1 << powerW - 1)][powerH - 1][powerW - 1]); | ~~~~~~~^~~ main.cpp:38:259: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 38 | rmq[corner_x][corner_y][powerH][powerW] = std::gcd(std::gcd(std::gcd(rmq[corner_x][corner_y][powerH - 1][powerW - 1], rmq[corner_x + (1 << powerH - 1)][corner_y][powerH - 1][powerW - 1]), rmq[corner_x][corner_y + (1 << powerW - 1)][powerH - 1][powerW - 1]), rmq[corner_x + (1 << powerH - 1)][corner_y + (1 << powerW - 1)][powerH - 1][powerW - 1]); | ~~~~~~~^~~ main.cpp:38:319: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 38 | rmq[corner_x][corner_y][powerH][powerW] = std::gcd(std::gcd(std::gcd(rmq[corner_x][corner_y][powerH - 1][powerW - 1], rmq[corner_x + (1 << powerH - 1)][corner_y][powerH - 1][powerW - 1]), rmq[corner_x][corner_y + (1 << powerW - 1)][powerH - 1][powerW - 1]), rmq[corner_x + (1 << powerH - 1)][corner_y + (1 << powerW - 1)][powerH - 1][powerW - 1]); | ~~~~~~~^~~ main.cpp:38:349: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 38 | rmq[corner_x][corner_y][powerH][powerW] = std::gcd(std::gcd(std::gcd(rmq[corner_x][corner_y][powerH - 1][powerW - 1], rmq[corner_x + (1 << powerH - 1)][corner_y][powerH - 1][powerW - 1]), rmq[corner_x][corner_y + (1 << powerW - 1)][powerH - 1][powerW - 1]), rmq[corner_x + (1 << powerH - 1)][corner_y + (1 << powerW - 1)][powerH - 1][powerW - 1]); | ~~~~~~~^~~