Compilare: main.cpp: In function 'int main()': main.cpp:8:49: warning: unused variable 'lungime_w' [-Wunused-variable] int n, m, poz_v = 0, poz_w = 0, current_w = 1, lungime_w = 1, j = 0, k; ^~~~~~~~~ main.cpp:6:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("scandura.in", "r", stdin); ^ main.cpp:7:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("scandura.out", "w", stdout); ^ main.cpp:11:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ main.cpp:20:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^