Eroare de compilare: main.cpp: In function 'bool ok(int, int, int, int, int)': main.cpp:15:43: error: 'log2' was not declared in this scope int l1=x2-x1+1, l2=y2-y1+1, px=log2(l1),py=log2(l2); ^ main.cpp:16:16: error: 'py' was not declared in this scope if(rmq[px][py][x1][y1]>=lat)return true; ^~ main.cpp:17:16: error: 'py' was not declared in this scope if(rmq[px][py][x2-(1<<px)+1][y1]>=lat)return true; ^~ main.cpp:18:16: error: 'py' was not declared in this scope if(rmq[px][py][x1][y2-(1<<py)+1]>=lat)return true; ^~ main.cpp:19:16: error: 'py' was not declared in this scope if(rmq[px][py][x2-(1<<px)+1][y2-(1<<py)+1]>=lat)return true; ^~ main.cpp:15:21: warning: unused variable 'l2' [-Wunused-variable] int l1=x2-x1+1, l2=y2-y1+1, px=log2(l1),py=log2(l2); ^~ Non zero exit status: 1