Compilare: main.cpp: In function 'bool verif(int, int, int, int, int)': main.cpp:17:38: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] mx1=max(r[c][d][x][y],r[a+(1<<(x)-1)][b+(1<<(y)-1)][x][y]); ~~~^~ main.cpp:17:52: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] mx1=max(r[c][d][x][y],r[a+(1<<(x)-1)][b+(1<<(y)-1)][x][y]); ~~~^~ main.cpp:18:24: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] mx2=max(r[a+(1<<(x)-1)][d][x][y],r[c][b+(1<<(y)-1)][x][y]); ~~~^~ main.cpp:18:52: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] mx2=max(r[a+(1<<(x)-1)][d][x][y],r[c][b+(1<<(y)-1)][x][y]); ~~~^~ main.cpp: In function 'int main()': main.cpp:60:54: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] mx1=max(r[i][j][x-1][y-1],r[i-1<<(x-1)][j-1<<(y-1)][x-1][y-1]); ~^~ main.cpp:60:66: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] mx1=max(r[i][j][x-1][y-1],r[i-1<<(x-1)][j-1<<(y-1)][x-1][y-1]); ~^~ main.cpp:61:36: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] mx2=max(r[i-1<<(x-1)][j][x-1][y-1],r[i][j-1<<(y-1)][x-1][y-1]); ~^~ main.cpp:61:66: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] mx2=max(r[i-1<<(x-1)][j][x-1][y-1],r[i][j-1<<(y-1)][x-1][y-1]); ~^~