Compilare: main.cpp: In function 'int main()': main.cpp:60:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 3 * M; i < buff.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:64:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (fratii[fratii.size() - 1] != N); ^~ main.cpp:65:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' fratii.push_back(N); ^~~~~~ main.cpp:87:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < fratii.size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp:90:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < fratii.size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp:91:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j < fratii.size(); j++) ~~^~~~~~~~~~~~~~~