Compilare: main.cpp: In function 'int main()': main.cpp:81:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1 ; i < v.size(); i++ ) { ~~^~~~~~~~~~ main.cpp:88:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0 ; i < v.size()-1 ; i++ ) { ~~^~~~~~~~~~~~ main.cpp:89:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( v[i].comp != v[i+1].comp && pointer == zeros.size() ) ~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:91:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (pointer != zeros.size() ) { ~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:96:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = pointer ; i < zeros.size() ; i++ ) ~~^~~~~~~~~~~~~~ main.cpp:53:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &n, &m ) ; ^ main.cpp:57:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &u, &u2) ; ^