foo.cc: In function 'void init()':
foo.cc:35:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if (tmp[a[j]] > cnt || tmp[a[j]] == cnt && a[j] < cur) {
                           ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
foo.cc: In function 'int query(int, int)':
foo.cc:59:32: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if (tmp > cnt || tmp == cnt && a[i] < cur) {
                     ~~~~~~~~~~~^~~~~~~~~~~~~
foo.cc:66:32: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if (tmp > cnt || tmp == cnt && a[i] < cur) {
                     ~~~~~~~~~~~^~~~~~~~~~~~~
foo.cc:74:32: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if (tmp > cnt || tmp == cnt && a[i] < cur) {
                     ~~~~~~~~~~~^~~~~~~~~~~~~
foo.cc: In function 'int main()':
foo.cc:84:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &q);
  ~~~~~^~~~~~~~~~~~~~~~
foo.cc:85:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 1; i <= n; i ++) scanf("%d", &a[i]), san[i] = a[i];
                                ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
foo.cc:95:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &l, &r);
   ~~~~~^~~~~~~~~~~~~~~~

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