# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
962427 |
2024-04-13T13:51:41 Z |
steveonalex |
Rail (IOI14_rail) |
C++17 |
|
0 ms |
0 KB |
#include <bits/stdc++.h>
#include "rail.h"
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define ALL(v) (v).begin(), (v).end()
#define MASK(i) (1LL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
// mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng(1);
ll rngesus(ll l, ll r){return ((ull) rng()) % (r - l + 1) + l;}
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll LASTBIT(ll mask){return mask & (-mask);}
ll pop_cnt(ll mask){return __builtin_popcountll(mask);}
ll ctz(ll mask){return __builtin_ctzll(mask);}
ll clz(ll mask){return __builtin_clzll(mask);}
ll logOf(ll mask){return 63 - clz(mask);}
template <class T1, class T2>
bool minimize(T1 &a, T2 b){
if (a > b){a = b; return true;}
return false;
}
template <class T1, class T2>
bool maximize(T1 &a, T2 b){
if (a < b){a = b; return true;}
return false;
}
template <class T>
void printArr(T& a, string separator = " ", string finish = "\n"){
for(auto i: a) cout << i << separator;
cout << finish;
}
template <class T>
void remove_dup(vector<T> &a){
sort(ALL(a));
a.resize(unique(ALL(a)) - a.begin());
}
int getDistance(int i, int j){
cout << "? " << i << " " << j << endl;
int verdict; cin >> verdict;
return verdict;
}
void findLocation(int n, int first, int location[], int stype[]){
for(int i = 0; i<n; ++i) location[i] = stype[i] = 0;
location[0] = first; stype[0] = 1;
vector<int> from0(n), to_0(n);
pair<int, int> mi = {1e9, 1e9};
for(int i = 1; i<n; ++i){
from0[i] = getDistance(0, i);
minimize(mi, make_pair(from0[i], i));
// to_0[i] = getDistance(i, 0);
}
if (mi.second == 1e9) exit(-1);
location[mi.second] = first + mi.first;
stype[mi.second] = 2;
vector<int> fromMi(n); fromMi[0] = mi.first;
for(int i = 1; i<n; ++i) if (i != mi.second){
fromMi[i] = getDistance(mi.second, i);
if (fromMi[i] + mi.first + 1 == from0[i]){
location[i] = location[mi.second] - fromMi[i];
stype[i] = 1;
}
else {
location[i] = first + from0[i];
stype[i] = 2;
}
}
}
// int main(void){
// ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
// int n = 3;
// int location[n], stype[n];
// findLocation(n, 5, location, stype);
// for(int i = 0; i<n; ++i) cout << location[i] << " " << stype[i] << "\n";
// return 0;
// }
Compilation message
/usr/bin/ld: /tmp/cc2ptsRd.o: in function `getDistance':
grader.cpp:(.text+0x0): multiple definition of `getDistance'; /tmp/ccg9xEcf.o:rail.cpp:(.text+0x90): first defined here
collect2: error: ld returned 1 exit status