Compilare: main.cpp: In function 'int main()': main.cpp:37:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:45:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(i=1;i<=n;i++) ^~~ main.cpp:35:10: warning: unused variable 'l1' [-Wunused-variable] {int i,j,l1,c1; ^~ main.cpp:35:13: warning: unused variable 'c1' [-Wunused-variable] {int i,j,l1,c1; ^~