Compilare: main.cpp: In function 'int main()': main.cpp:30:24: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type 'int64_t* {aka long int*}' [-Wformat=] fscanf(in, "%lld", &a); ^ main.cpp:31:24: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type 'int64_t* {aka long int*}' [-Wformat=] fscanf(in, "%lld", &b); ^ main.cpp:45:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (a > c) { ~~^~~ main.cpp:55:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (b > c) { ~~^~~ main.cpp:23:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &t); ^ main.cpp:30:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%lld", &a); ^ main.cpp:31:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%lld", &b); ^