Compilare: main.cpp: In function 'int main()': main.cpp:72:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pod.in", "r", stdin); ^ main.cpp:73:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("pod.out", "w", stdout); ^ main.cpp:75:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &n, &m, &k); ^ main.cpp:77:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &poz[i]); ^ main.cpp:83:31: warning: iteration 34 invokes undefined behavior [-Waggressive-loop-optimizations] M[i] = M[i - 1] * M[i - 1]; ^ main.cpp:82:20: note: within this loop for(int i = 1; i <= 50; i++) ~~^~~~~