Compilare: main.cpp: In function 'int main()': main.cpp:19:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0;i < n;i ++) ~~^~~ main.cpp:33:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0;i < q;i ++) ~~^~~ main.cpp:40:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0;j < n;j ++) ~~^~~ main.cpp:16:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &n); ^ main.cpp:21:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &b[i], &t[i]); ^ main.cpp:31:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d", &q); ^ main.cpp:36:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%llu", &x); ^