Compilare: main.cpp: In function 'int main()': main.cpp:32:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for(int i=0;i<a[z].size();i++) | ~^~~~~~~~~~~~ main.cpp:50:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i=0;i<a[z].size();i++) | ~^~~~~~~~~~~~ main.cpp:61:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 61 | for(int i=0;i<=m;i++) | ^~~ main.cpp:64:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 64 | int nr=0; | ^~~ main.cpp:65:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 65 | for(int i=1;i<=n;i++) | ^~~ main.cpp:68:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 68 | g<<nr<<endl; | ^