Compilare: main.cpp: In function 'int main()': main.cpp:87:44: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf(fout, "%d", dp[N][K - 1].v[len]); ^ main.cpp:89:48: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf(fout, "%09d", dp[N][K - 1].v[i]); ^ main.cpp:61:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &N, &K); ^