Submission #94015

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
94015	2019-01-14 16:41:29	tincamatei	Flood (IOI07_flood)	C++14	Compilation error	0 ms	0 KiB

flood

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#include <bits/stdc++.h>
using namespace std;
bool examine(long long l, long long c, int n) {
  string str;
  if(l < 1 || l > n || c < 1 || c > n)
    return false;
  cout << "examine " << l << ' ' << c << endl;
  cin >> str;
  return str == "true";
}
pair<long long, long long> getNextWhite(long long l, long long c, int dl, int dc, int n) {
  int lg = 0;
  while(examine(l + dl * (1LL << lg), c + dc * (1LL << lg), n))
    ++lg;
  long long l2 = l + dl * (1 << lg), c2 = c + dc * (1 << lg);
  while(llabs(c2 - c) > 1 || llabs(l2 - l) > 1) {
    long long midl, midc;
    midl = (l + l2) / 2;
    midc = (c + c2) / 2;
    if(examine(midl, midc, n)) {
      l = midl;
      c = midc;
    } else {
      l2 = midl;
      c2 = midc;
 
 
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Compilation message (stderr)

flood.cpp: In function 'int main()':
flood.cpp:40:3: error: expected initializer before 'long'
   long long maxx, maxy, minx, miny;
   ^~~~
flood.cpp:43:20: error: 'y' was not declared in this scope
   cin >> n >> x >> y;
                    ^
flood.cpp:53:3: error: 'maxx' was not declared in this scope
   maxx = maxy = -(1LL << 60);
   ^~~~
flood.cpp:53:3: note: suggested alternative: 'main'
   maxx = maxy = -(1LL << 60);
   ^~~~
   main
flood.cpp:53:10: error: 'maxy' was not declared in this scope
   maxx = maxy = -(1LL << 60);
          ^~~~
flood.cpp:53:10: note: suggested alternative: 'main'
   maxx = maxy = -(1LL << 60);
          ^~~~
          main
flood.cpp:54:3: error: 'minx' was not declared in this scope
   minx = miny =   1LL << 60;
   ^~~~
flood.cpp:54:3: note: suggested alternative: 'main'
   minx = miny =   1LL << 60;
   ^~~~
   main
flood.cpp:54:10: error: 'miny' was not declared in this scope
   minx = miny =   1LL << 60;
          ^~~~
flood.cpp:54:10: note: suggested alternative: 'main'
   minx = miny =   1LL << 60;
          ^~~~
          main