Compilare: main.cpp: In function 'int main()': main.cpp:27:59: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 27 | if(matrix[i-1][j].val > matrix[i-1][j+ (1 << i-1) ].val) | ~^~ main.cpp:29:65: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 29 | else if( matrix[i-1][j].val < matrix[i-1][j+ (1 << i-1) ].val ) | ~^~ main.cpp:30:57: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 30 | matrix[i][j].val = matrix[i-1][j + (1<<i-1) ].val , matrix[i][j].pos = matrix[i-1][j + (1<<i-1) ].pos; | ~^~ main.cpp:30:109: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 30 | matrix[i][j].val = matrix[i-1][j + (1<<i-1) ].val , matrix[i][j].pos = matrix[i-1][j + (1<<i-1) ].pos; | ~^~ main.cpp:31:66: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 31 | else if((matrix[i-1][j].pos <= matrix[i-1][j+ (1 << i-1) ].pos)) | ~^~ main.cpp:34:57: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 34 | matrix[i][j].val = matrix[i-1][j + (1<<i-1) ].val , matrix[i][j].pos = matrix[i-1][j + (1<<i-1) ].pos; | ~^~ main.cpp:34:109: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 34 | matrix[i][j].val = matrix[i-1][j + (1<<i-1) ].val , matrix[i][j].pos = matrix[i-1][j + (1<<i-1) ].pos; | ~^~ main.cpp:44:22: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 44 | while(1<<pow + 1<=l) | ~~~~^~~