Compilare: main.cpp: In function 'void findSols()': main.cpp:66:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int j=-50;j<=50;++j) ^~~ main.cpp:72:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fprintf(fout, "%d\n",c); ^~~~~~~ main.cpp: In function 'int main()': main.cpp:86:63: 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",coef, coef+1,coef+2,coef+3,coef+4); ^