Compilare: user.cpp: In function ‘int main()’: user.cpp:46:44: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(v[i] != d[i] || d[i] == inf && v[i] == 0) ok = 1; ^ user.cpp:19:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(F, "%d ", &t); ^ user.cpp:22:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(F, "%d%d%d ", &n, &m, &s); ^ user.cpp:23:73: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i = 1; i <= n; ++ i) fscanf(F, "%d ", &v[i]), d[i] = inf; ^ user.cpp:28:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(F, "%d%d%d ", &x, &y, &c); ^