#include "dowsing.h"
#include<bits/stdc++.h>
using namespace std;
#define Fi first
#define Se second
#define pb(x) push_back(x)
#define sz(x) (int)x.size()
#define rep(i, n) for(int i=0;i<n;i++)
#define repp(i, n) for(int i=1;i<=n;i++)
#define all(x) x.begin(), x.end()
#define geti1(X) cin >> X
#define geti2(X,Y) cin >> X >> Y
#define geti3(X,Y,Z) cin >> X >> Y >> Z
#define geti4(X,Y,Z,W) cin >> X >> Y >> Z >> W
#define GET_MACRO(_1,_2,_3,_4,NAME,...) NAME
#define geti(...) GET_MACRO(__VA_ARGS__, geti4, geti3, geti2, geti1) (__VA_ARGS__)
#define VA_NUM_ARGS(...) VA_NUM_ARGS_IMPL_((0,__VA_ARGS__, 6,5,4,3,2,1))
#define VA_NUM_ARGS_IMPL_(tuple) VA_NUM_ARGS_IMPL tuple
#define VA_NUM_ARGS_IMPL(_0,_1,_2,_3,_4,_5,_6,N,...) N
#define macro_dispatcher(macro, ...) macro_dispatcher_(macro, VA_NUM_ARGS(__VA_ARGS__))
#define macro_dispatcher_(macro, nargs) macro_dispatcher__(macro, nargs)
#define macro_dispatcher__(macro, nargs) macro_dispatcher___(macro, nargs)
#define macro_dispatcher___(macro, nargs) macro ## nargs
#define Debug1(a) cout<<#a<<"="<<(a)<<"\n"
#define Debug2(a,b) cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<"\n"
#define Debug3(a,b,c) cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<", "<<#c<<"="<<(c)<<"\n"
#define Debug4(a,b,c,d) cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<", "<<#c<<"="<<(c)<<", "<<#d<<"="<<(d)<<"\n"
#define Debug5(a,b,c,d,e) cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<", "<<#c<<"="<<(c)<<", "<<#d<<"="<<(d)<<", "<<#e<<"="<<(e)<<"\n"
#define Debug6(a,b,c,d,e,f) cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<", "<<#c<<"="<<(c)<<", "<<#d<<"="<<(d)<<", "<<#e<<"="<<(e)<<", "<<#f<<"="<<(f)<<"\n"
#define Debug(...) macro_dispatcher(Debug, __VA_ARGS__)(__VA_ARGS__)
#define DA(a,n) cout<<#a<<"=["; printarray(a,n); cout<<"]\n"
#define DAR(a,n,s) cout<<#a<<"["<<s<<"-"<<n-1<<"]=["; printarray(a,n,s); cout<<"]\n"
#define TT1 template<class T>
#define TT1T2 template<class T1, class T2>
#define TT1T2T3 template<class T1, class T2, class T3>
template<class T, size_t N> ostream& operator << (ostream& os, const array<T, N>& v);
TT1T2 ostream& operator << (ostream& os, const pair<T1, T2>& p){ return os <<"("<<p.first<<", "<< p.second<<")"; }
TT1 ostream& operator << (ostream& os, const vector<T>& v){ bool f=1;os<<"[";for(auto& i : v) { if (!f)os << ", ";os<<i;f=0;}return os << "]"; }
template<class T, size_t N> ostream& operator << (ostream& os, const array<T, N>& v) { bool f=1;os<<"[";for(auto& i : v) { if (!f)os << ", ";os<<i;f=0;}return os << "]"; }
TT1T2 ostream& operator << (ostream& os, const set<T1, T2>&v){ bool f=1;os<<"[";for(auto& i : v) { if (!f)os << ", ";os<<i;f=0;}return os << "]"; }
TT1T2 ostream& operator << (ostream& os, const multiset<T1,T2>&v){bool f=1;os<<"[";for(auto& i : v) { if (!f)os << ", ";os<<i;f=0;}return os << "]"; }
TT1T2T3 ostream& operator << (ostream& os, const map<T1,T2,T3>& v){ bool f = 1; os << "["; for (auto& ii : v) { if (!f)os << ", "; os << "(" << ii.first << " -> " << ii.second << ") "; f = 0; }return os << "]"; }
TT1T2 ostream& operator << (ostream& os, const multimap<T1, T2>& v){ bool f = 1; os << "["; for (auto& ii : v) { if (!f)os << ", "; os << "(" << ii.first << " -> " << ii.second << ") "; f = 0; }return os << "]"; }
TT1T2 ostream& operator << (ostream& os, priority_queue<T1, T2> v) { bool f = 1; os << "["; while (!v.empty()) { auto x = v.top(); v.pop(); if (!f) os << ", "; f = 0; os << x; } return os << "]"; }
TT1T2 void printarray(const T1& a, T2 sz, T2 beg = 0){ for (T2 i = beg; i<sz; i++) cout << a[i] << " "; cout << endl; }
void FindTreasure(int N) {
vector<int> RS,CS;
repp(i,N) RS.push_back(i);
repp(i,N) CS.push_back(i);
srand(412421);
int CNT = 150;
while( (sz(RS) + sz(CS))*3 > CNT ){
int r1 = rand() % sz(RS);
int r2 = rand() % sz(CS);
int x = RS[r1], y = CS[r2];
int res = Detect(x,y);
CNT--;
if( res == 1 ) continue;
RS.erase(RS.begin()+r1);
CS.erase(CS.begin()+r2);
}
if( sz(RS) == 1 && sz(CS) == 1 ){
Report(RS[0], CS[0]);
return;
}
int R,C;
map<int,int> rm, cm;
for(int i=0;i<sz(RS);i++){
int res = Detect(RS[i], CS[0]);
rm[RS[i]] += res;
}
for(int i=0;i<sz(RS);i++){
int res = Detect(RS[i], CS[1]);
rm[RS[i]] += res;
}
for(int i=0;i<sz(RS);i++){
int res = Detect(RS[i], CS[2]);
rm[RS[i]] += res;
}
for(int i=0;i<sz(CS);i++){
int res = Detect(RS[0], CS[i]);
cm[CS[i]] += res;
}
for(int i=0;i<sz(CS);i++){
int res = Detect(RS[1], CS[i]);
cm[CS[i]] += res;
}
for(int i=0;i<sz(CS);i++){
int res = Detect(RS[2], CS[i]);
cm[CS[i]] += res;
}
int mx = -1;
for(auto e : rm){
if( mx < e.Se ){
mx = e.Se; R = e.Fi;
}
}
mx = -1;
for(auto e : cm){
if( mx < e.Se ){
mx = e.Se; C = e.Fi;
}
}
Report(R,C);
}
Compilation message
dowsing.cpp: In function 'void FindTreasure(int)':
dowsing.cpp:114:8: warning: 'C' may be used uninitialized in this function [-Wmaybe-uninitialized]
Report(R,C);
~~~~~~^~~~~
dowsing.cpp:114:8: warning: 'R' may be used uninitialized in this function [-Wmaybe-uninitialized]
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Correct : C = 18 |
| 2 |
Correct |
2 ms |
376 KB |
Correct : C = 18 |
| 3 |
Runtime error |
3 ms |
376 KB |
Execution failed because the return code was nonzero |
| 4 |
Halted |
0 ms |
0 KB |
- |
