結果

問題 No.513 宝探し2
ユーザー momoyuumomoyuu
提出日時 2024-09-30 01:06:07
言語 C++23
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 1,840 bytes
コンパイル時間 1,274 ms
コンパイル使用メモリ 111,884 KB
実行使用メモリ 25,220 KB
平均クエリ数 43.08
最終ジャッジ日時 2024-09-30 01:06:10
合計ジャッジ時間 3,589 ms
ジャッジサーバーID
(参考情報)
judge5 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 5 WA * 7
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:85:20: warning: 'use' may be used uninitialized [-Wmaybe-uninitialized]
   85 |         ll d2 = ask(x,m2);
      |                 ~~~^~~~~~
main.cpp:61:8: note: 'use' was declared here
   61 |     ll use;
      |        ^~~
main.cpp:51:20: warning: 'n2' may be used uninitialized [-Wmaybe-uninitialized]
   51 |         ll d1 = ask(m1,0);
      |                 ~~~^~~~~~
main.cpp:42:11: note: 'n2' was declared here
   42 |     ll n1,n2;
      |           ^~

ソースコード

diff #
プレゼンテーションモードにする

#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
using ll = long long;
#include<map>
#include<cassert>
int c;
map<pair<ll,ll>,ll> memo;
ll nx = 109;
ll ny = 104;
ll ask(ll x,ll y){
// ll d = abs(x-nx) + abs(y-ny);
// if(d==0) {
// cout<<c<<endl;
// exit(0);
// }
if(memo.find({x,y})!=memo.end()) return memo[{x,y}];
c++;
if(c>100){
assert(false);
}
cout<<x<<" "<<y<<endl;
ll d;
cin>>d;
if(d==0){
exit(0);
}
return memo[{x,y}] = d;
}
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
ll left = 0;
ll right = 100000;
int cnt = 0;
ll n1,n2;
while(right-left>2){
//cout<<left<<" "<<right<<endl;
ll m1 = (21*left+13*right) / 34;
ll m2 = (21*right+13*left) / 34;
if(cnt==1) m2 = n1;
if(cnt==2) m1 = n2;
n1 = m1;
n2 = m2;
ll d1 = ask(m1,0);
ll d2 = ask(m2,0);
if(d1<=d2) {
right = m2;
cnt = 1;
}else{
left = m1;
cnt = 2;
}
}
ll use;
ll mn = 1e9;
for(ll x = left;x<=right;x++){
ll d = ask(x,0);
if(d<mn){
mn = d;
use = x;
}
}
ll x = use;
//cout<<x<<endl;
left = 0;
right = 100000;
cnt = 0;
n1,n2;
while(right-left>2){
ll m1 = (21*left+13*right) / 34;
ll m2 = (21*right+13*left) / 34;
if(cnt==1) m2 = n1;
if(cnt==2) m1 = n2;
n1 = m1;
n2 = m2;
ll d1 = ask(x,m1);
ll d2 = ask(x,m2);
if(d1<=d2){
right = m2;
cnt = 1;
}else{
left = m1;
cnt = 2;
}
}
for(ll y = left;y<=right;y++){
ll d = ask(x,y);
}
}
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