Submission #294578

#	Time	Username	Problem	Language	Result	Execution time	Memory
294578		ASDF123	The Big Prize (IOI17_prize)	C++14	Compilation error	0 ms	0 KiB

prize

#include "prize.h"
#include <bits/stdc++.h>
typedef vector<int> vi;
using namespace std;

int find_best(int n) {
  int pos = 0;
  while (1) {
    vi pos_res = ask(pos);
    if (pos_res[0] + pos_res[1] == 0) {
      return pos;
    }
    int l = pos, r = n;
    while (r - l > 1) {
      int mid = (l + r) >> 1;
      vi mid_res = ask(mid);
      if (pos_res[0] == mid_res[0] && pos_res[1] == mid_res[1]) {
        l = mid;
      } else {
        r = mid;
      }
    }
    pos = l + 1;
  }
  for (int i = 0; i < n; i++) {
		vi res = ask(i);
		if(res[0] + res[1] == 0)
			return i;
	}
	return 0;
}

Compilation message (stderr)

prize.cpp:3:9: error: 'vector' does not name a type
    3 | typedef vector<int> vi;
      |         ^~~~~~
prize.cpp: In function 'int find_best(int)':
prize.cpp:9:5: error: 'vi' was not declared in this scope
    9 |     vi pos_res = ask(pos);
      |     ^~
prize.cpp:10:9: error: 'pos_res' was not declared in this scope
   10 |     if (pos_res[0] + pos_res[1] == 0) {
      |         ^~~~~~~
prize.cpp:16:9: error: expected ';' before 'mid_res'
   16 |       vi mid_res = ask(mid);
      |         ^~~~~~~~
      |         ;
prize.cpp:17:11: error: 'pos_res' was not declared in this scope
   17 |       if (pos_res[0] == mid_res[0] && pos_res[1] == mid_res[1]) {
      |           ^~~~~~~
prize.cpp:17:25: error: 'mid_res' was not declared in this scope
   17 |       if (pos_res[0] == mid_res[0] && pos_res[1] == mid_res[1]) {
      |                         ^~~~~~~
prize.cpp:26:3: error: 'vi' was not declared in this scope; did you mean 'i'?
   26 |   vi res = ask(i);
      |   ^~
      |   i
prize.cpp:27:6: error: 'res' was not declared in this scope
   27 |   if(res[0] + res[1] == 0)
      |      ^~~