Compilare: main.cpp: In function 'int main()': main.cpp:53:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (index < sir1.size() && index < sir2.size() && sir1[index] == sir2[index]) ~~~~~~^~~~~~~~~~~~~ main.cpp:53:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (index < sir1.size() && index < sir2.size() && sir1[index] == sir2[index]) ~~~~~~^~~~~~~~~~~~~ main.cpp:58:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index >= sir2.size() && index < sir1.size()) ~~~~~~^~~~~~~~~~~~~~ main.cpp:58:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index >= sir2.size() && index < sir1.size()) ~~~~~~^~~~~~~~~~~~~ main.cpp:62:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = index; i < sir1.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:74:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (index >= sir1.size() && index < sir2.size()) ~~~~~~^~~~~~~~~~~~~~ main.cpp:74:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (index >= sir1.size() && index < sir2.size()) ~~~~~~^~~~~~~~~~~~~ main.cpp:78:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = index; i < sir2.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:90:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (index >= sir1.size() && index >= sir2.size()) ~~~~~~^~~~~~~~~~~~~~ main.cpp:90:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (index >= sir1.size() && index >= sir2.size()) ~~~~~~^~~~~~~~~~~~~~ main.cpp:115:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (index < sir1.size() && index < sir2.size() && sir1[index] == sir2[index]) ~~~~~~^~~~~~~~~~~~~ main.cpp:115:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (index < sir1.size() && index < sir2.size() && sir1[index] == sir2[index]) ~~~~~~^~~~~~~~~~~~~ main.cpp:120:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index >= sir2.size() && index < sir1.size()) ~~~~~~^~~~~~~~~~~~~~ main.cpp:120:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index >= sir2.size() && index < sir1.size()) ~~~~~~^~~~~~~~~~~~~ main.cpp:136:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (index >= sir1.size() && index < sir2.size()) ~~~~~~^~~~~~~~~~~~~~ main.cpp:136:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (index >= sir1.size() && index < sir2.size()) ~~~~~~^~~~~~~~~~~~~ main.cpp:152:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]