Compilare: main.cpp: In function 'int main()': main.cpp:17:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j=2;j<=m;j++) ^~~ main.cpp:29:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' out<<max(dp[2][m],dp[1][m]+mat[2][m]); ^~~ main.cpp:9:17: warning: unused variable 'l' [-Wunused-variable] int sum,i,j,l,best; ^