Compilare: main.cpp: In function 'int main()': main.cpp:154:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 1 ; i < rasp.size() ; i++ ) ~~^~~~~~~~~~~~~ main.cpp:111:62: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d%d%d%d%d", &tip, &n, &m, &c.x, &c.y, &k) ; ^ main.cpp:113:63: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d%d", &v[i].p.x, &v[i].p.y, &v[i].raza ) ; ^ main.cpp:117:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &gal) ; ^ main.cpp:119:54: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d%d%d", &a.x, &a.y, &b.x, &b.y) ; ^ main.cpp:153:10: warning: 'p2' may be used uninitialized in this function [-Wmaybe-uninitialized] euler(marc[p1][p2]) ; ~~~~~^~~~~~~~~~~~~~ main.cpp:153:10: warning: 'p1' may be used uninitialized in this function [-Wmaybe-uninitialized]