#include <bits/stdc++.h>
using namespace std;
// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e18
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define sz size()
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
// input
template<class T> void IN(T& x) {cin >> x;}
template<class H, class... T> void IN(H& h, T&... t) {IN(h); IN(t...); }
// output
template<class T1, class T2> void OUT(const pair<T1,T2>& x);
template<class T> void OUT(const vector<T>& x);
template<class T> void OUT(const T& x) {cout << x;}
template<class H, class... T> void OUT(const H& h, const T&... t) {OUT(h); OUT(t...); }
template<class T1, class T2> void OUT(const pair<T1,T2>& x) {OUT(x.fi,' ',x.se);}
template<class T> void OUT(const vector<T>& x) {RE(i,x.size()) OUT(i==0?"":" ",x[i]);}
template<class... T> void OUTL(const T&... t) {OUT(t..., "\n"); }
template<class H> void OUTLS(const H& h) {OUTL(h); }
template<class H, class... T> void OUTLS(const H& h, const T&... t) {OUT(h,' '); OUTLS(t...); }
//===================//
// Added libraries //
//===================//
//===================//
//end added libraries//
//===================//
void program();
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
program();
}
//===================//
// begin program //
//===================//
const int MX = 5e5;
int n, m, k, q;
int dx[]={-1,1,0,0,0,0};
int dy[]={0,0,1,-1,0,0};
int dz[]={0,0,0,0,1,-1};
map<int,map<int,map<int,int>>> mp;
bool inside(int x, int y, int z) {return x>=1 && x<=n && y>=1 && y<=m && z>=1&&z<=k;}
int query(int x, int y, int z) {
if(mp[x][y][z] != 0)
return mp[x][y][z];
OUTLS("?",x,y,z);
cout.flush();
int res; IN(res);
return mp[x][y][z] = res;
}
void search(int x, int y, int z) {
int val = query(x,y,z);
int bst=0, bx, by, bz;
RE(d,8) {
int nx = x+dx[d];
int ny = y+dy[d];
int nz = z+dz[d];
if(!inside(nx,ny,nz)) continue;
int nVal = query(nx,ny,nz);
if(nVal >= bst)
bx=nx, by=ny, bz=nz, bst=nVal;
}
if(bst <= val) {
OUTLS("!",x,y,z);
return;
} else {
search(bx,by,bz);
}
}
void program() {
IN(n,m,k,q);
int bst=0, bx, by, bz;
RE(i,q/4) {
int cx=rng()%n+1;
int cy=rng()%m+1;
int cz=rng()%k+1;
int cr=query(cx,cy,cz);
if(cr >= bst)
bx=cx, by=cy, bz=cz, bst=cr;
}
search(bx,by,bz);
}
Compilation message
worm.cpp: In function 'void search(int, int, int)':
worm.cpp:88:24: warning: iteration 6 invokes undefined behavior [-Waggressive-loop-optimizations]
88 | int nx = x+dx[d];
| ~~~~^
worm.cpp:15:39: note: within this loop
15 | #define REP(a,b,c) for(int a=int(b); a<int(c); a++)
| ^
worm.cpp:16:17: note: in expansion of macro 'REP'
16 | #define RE(a,c) REP(a,0,c)
| ^~~
worm.cpp:87:5: note: in expansion of macro 'RE'
87 | RE(d,8) {
| ^~
worm.cpp:100:15: warning: 'bz' may be used uninitialized in this function [-Wmaybe-uninitialized]
100 | search(bx,by,bz);
| ~~~~~~^~~~~~~~~~
worm.cpp:100:15: warning: 'by' may be used uninitialized in this function [-Wmaybe-uninitialized]
worm.cpp:100:15: warning: 'bx' may be used uninitialized in this function [-Wmaybe-uninitialized]
worm.cpp: In function 'void program()':
worm.cpp:117:11: warning: 'bz' may be used uninitialized in this function [-Wmaybe-uninitialized]
117 | search(bx,by,bz);
| ~~~~~~^~~~~~~~~~
worm.cpp:117:11: warning: 'by' may be used uninitialized in this function [-Wmaybe-uninitialized]
worm.cpp:117:11: warning: 'bx' may be used uninitialized in this function [-Wmaybe-uninitialized]
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
876 KB |
Output is correct |
2 |
Correct |
31 ms |
1132 KB |
Output is correct |
3 |
Correct |
24 ms |
1004 KB |
Output is correct |
4 |
Correct |
27 ms |
1004 KB |
Output is correct |
5 |
Correct |
25 ms |
876 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
364 KB |
too many queries. input: ? 139731 1 1 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
492 KB |
Output is correct |
2 |
Correct |
9 ms |
492 KB |
Output is correct |
3 |
Correct |
10 ms |
492 KB |
Output is correct |
4 |
Correct |
10 ms |
492 KB |
Output is correct |
5 |
Correct |
14 ms |
492 KB |
Output is correct |
6 |
Correct |
16 ms |
492 KB |
Output is correct |
7 |
Correct |
14 ms |
492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
896 KB |
Output is correct |
2 |
Correct |
11 ms |
492 KB |
Output is correct |
3 |
Correct |
10 ms |
492 KB |
Output is correct |
4 |
Runtime error |
26 ms |
1132 KB |
Execution killed with signal 13 (could be triggered by violating memory limits) |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
239 ms |
2324 KB |
Output is correct |
2 |
Correct |
242 ms |
2412 KB |
Output is correct |
3 |
Correct |
283 ms |
2568 KB |
Output is correct |
4 |
Correct |
247 ms |
2612 KB |
Output is correct |
5 |
Correct |
282 ms |
2412 KB |
Output is correct |
6 |
Correct |
257 ms |
2444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
334 ms |
5412 KB |
Output is correct |
2 |
Correct |
397 ms |
5740 KB |
Output is correct |
3 |
Correct |
360 ms |
5404 KB |
Output is correct |
4 |
Correct |
491 ms |
6892 KB |
Output is correct |
5 |
Correct |
420 ms |
5740 KB |
Output is correct |
6 |
Correct |
376 ms |
5740 KB |
Output is correct |
7 |
Correct |
467 ms |
5740 KB |
Output is correct |
8 |
Correct |
482 ms |
6636 KB |
Output is correct |
9 |
Correct |
643 ms |
7276 KB |
Output is correct |
10 |
Correct |
412 ms |
5760 KB |
Output is correct |
11 |
Correct |
627 ms |
8840 KB |
Output is correct |