Compilare: main.cpp: In function 'int main()': main.cpp:53:23: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[(m + 2)]' [-Wformat=] scanf("%s\n", &s); ^ main.cpp:54:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < strlen(s); j++) { ~~^~~~~~~~~~~ main.cpp:44:38: 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:45:40: 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:47:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &nrTests); ^ main.cpp:50:28: 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:53:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n", &s); ^