Compilare: main.cpp: In function 'void lee(int, int)': main.cpp:19:10: warning: unused variable 'okk' [-Wunused-variable] bool okk = false; ^~~ main.cpp: In function 'int main()': main.cpp:109:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int i = 1; i<=n; ++i) ^~~ main.cpp:117:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' printf("%d\n", sol); ^~~~~~ main.cpp:66:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("marceland.in", "r", stdin); ^ main.cpp:67:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("marceland.out", "w", stdout); ^ main.cpp:69:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for (scanf("%d", &T); T; --T) ^ main.cpp:71:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &n, &m); ^ main.cpp:78:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c", &c); ^ main.cpp:87:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^