Main.cpp: In function 'int main()':
Main.cpp:29:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<section>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for(int i=1;i<=text.size();i++){
      |              ~^~~~~~~~~~~~~
Main.cpp:31:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<section>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |   for(int j=1;j<=text[i-1].sub.size();j++){
      |               ~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:33:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<section>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |    for(int k=1;k<=text[i-1].sub[j-1].sub.size();k++){
      |                ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~