Compilare: main.cpp: In function 'int main()': main.cpp:59:29: warning: unused variable 'f' [-Wunused-variable] int nod, n, m, S, D, x, y, f, c, fMin, minC=0; ^ main.cpp:59:32: warning: unused variable 'c' [-Wunused-variable] int nod, n, m, S, D, x, y, f, c, fMin, minC=0; ^ main.cpp:63:42: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%i %i %i %i", &n, &m, &S, &D); ^ main.cpp:67:64: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%i %i %i %i",&x, &y, &fluxMax[x][y], &costM[x][y]); ^