Compilare: main.cpp: In function 'int main()': main.cpp:10:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("dezintegrare.in", "r", stdin); ^ main.cpp:11:45: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("dezintegrare.out", "w", stdout); ^ main.cpp:13:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &q); ^ main.cpp:17:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &c[i], &l[i]); ^ main.cpp:28:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^ main.cpp:30:15: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d\n", t[x]); ~~~~~~^~~~~~~~~~~~~~ main.cpp:24:10: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] t[0] = poz; ~~~~~^~~~~