Compilare: user.cpp:1:9: warning: #pragma once in main file #pragma once ^~~~ user.cpp: In function ‘void nextElem(int&, int&, std::vector<int>, std::vector<int>)’: user.cpp:54:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i == lis.size() - 1) { ~~^~~~~~~~~~~~~~~~~ user.cpp:55:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (k < sir.size()) { ~~^~~~~~~~~~~~ user.cpp: In function ‘void interclasare()’: user.cpp:76:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < lisA.size() && j < lisB.size()) { ~~^~~~~~~~~~~~~ user.cpp:76:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < lisA.size() && j < lisB.size()) { ~~^~~~~~~~~~~~~ user.cpp:82:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i < lisA.size()) ~~^~~~~~~~~~~~~ user.cpp:83:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (k < sirA.size()) ~~^~~~~~~~~~~~~ user.cpp:88:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j < lisB.size()) ~~^~~~~~~~~~~~~ user.cpp:89:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (l < sirB.size()) ~~^~~~~~~~~~~~~ user.cpp: In function ‘void step(int, int, int&, int&, std::vector<std::pair<int, int> >&, std::vector<std::pair<int, int> >&)’: user.cpp:97:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i + 1 < indexes.size()) { ~~~~~~^~~~~~~~~~~~~~~~ user.cpp: In function ‘void getLIS(std::vector<int>, std::vector<int>&)’: user.cpp:132:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < sir.size(); ++i) { ~~^~~~~~~~~~~~ user.cpp:137:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < indexes.size(); i++) ~~^~~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:170:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < inter.size(); i++) ~~^~~~~~~~~~~~~~