Compilare: user.cpp: In function ‘void rmq()’: user.cpp:22:51: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] dp[i][j][k]=max(dp[i][j][k], dp[i][j+(1<<k-1)][k-1]); ^ user.cpp:23:48: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] dp[i][j][k]=max(dp[i][j][k], dp[i+(1<<k-1)][j][k-1]); ^ user.cpp:24:48: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] dp[i][j][k]=max(dp[i][j][k], dp[i+(1<<k-1)][j+(1<<k-1)][k-1]); ^ user.cpp:24:60: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] dp[i][j][k]=max(dp[i][j][k], dp[i+(1<<k-1)][j+(1<<k-1)][k-1]); ^ user.cpp: In function ‘void citire()’: user.cpp:10:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:13:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&dp[i][j][0]); ^ user.cpp: In function ‘void query()’: user.cpp:34:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&i,&j,&k); ^