Compilare: main.cpp: In function 'int main()': main.cpp:36:41: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll* {aka long long int*}' [-Wformat=] while(TESTS--) scanf("%d %d", &a, &b), printf("%d ", calc(b) - calc(a - 1)); ^ main.cpp:36:41: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'll* {aka long long int*}' [-Wformat=] main.cpp:36:79: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll {aka long long int}' [-Wformat=] while(TESTS--) scanf("%d %d", &a, &b), printf("%d ", calc(b) - calc(a - 1)); ^ main.cpp:33:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("asi.in", "r", stdin); ^ main.cpp:34:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("asi.out", "w", stdout); ^ main.cpp:35:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] gener(), scanf("%d", &TESTS); ^ main.cpp:36:80: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] while(TESTS--) scanf("%d %d", &a, &b), printf("%d ", calc(b) - calc(a - 1)); ^