Compilare: user.cpp: In function ‘LL mfpow(LL, LL)’: user.cpp:37:12: warning: unused variable ‘a’ [-Wunused-variable] LL a = 5; ^ user.cpp: In function ‘int main()’: user.cpp:90:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘LL* {aka long long int*}’ [-Wformat=] scanf("%d%d", &N, &M); ^ user.cpp:90:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘LL* {aka long long int*}’ [-Wformat=] user.cpp:92:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘LL* {aka long long int*}’ [-Wformat=] scanf("%d", &C); ^ user.cpp:94:35: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘LL* {aka long long int*}’ [-Wformat=] scanf("%d%d", &x[i], &y[i]); ^ user.cpp:94:35: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘LL* {aka long long int*}’ [-Wformat=] user.cpp:88:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("padure2.in", "r", stdin); ^ user.cpp:89:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("padure2.out", "w", stdout); ^ user.cpp:90:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &M); ^ user.cpp:92:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &C); ^ user.cpp:94:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x[i], &y[i]); ^