# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
1084978 |
2024-09-07T09:36:39 Z |
browntoad |
ICC (CEOI16_icc) |
C++14 |
|
0 ms |
0 KB |
#include <bits/stdc++.h>
#include "icc.h"
using namespace std;
#define ll long long
// #define int ll
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define REP(i, n) FOR(i, 0, n)
#define REP1(i, n) FOR(i, 1, n+1)
#define RREP(i, n) for (int i = (n)-1; i >= 0; i--)
#define RREP1(i, n) for (int i = (n); i >= 1; i--)
#define pii pair<int, int>
#define ppi pair<pii, int>
#define pip pair<int, pii>
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) (int)((x).size())
#define f first
#define s second
#define pb push_back
#define endl '\n'
#define IOS() ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
const ll maxn = 105;
const ll mod = 1e9+7;
const ll inf = 1ll<<60;
ll mpw(ll a, ll p, ll m = mod){
ll ret = 1;
while(p > 0){
if (p & 1){
ret *= a;
ret %= m;
}
p >>= 1;
a *= a;
a %= m;
}
return ret;
}
ll inv(ll a){
return mpw(a, mod-2);
}
void run(int n){
vector<vector<int>> cc;
REP1(i, n){
cc.pb({i});
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
REP(t, n-1){
int ret = -1;
vector<int> t1, t2;
do{
shuffle(ALL(cc), rng);
t1.clear(); t2.clear();
REP(i, SZ(cc)/2) for (int j:cc[i]) t1.pb(j);
FOR(i, SZ(cc)/2, SZ(cc)) for (int j:cc[i]) t2.pb(j);
ret = query(SZ(t1), SZ(t2), &t1[0], &t2[0]);
if (ret){
break;
}
}
while(1);
int l = 0, r = SZ(t2)-1;
while(l < r){
int mid = l+r+1>>1;
vector<int> tt;
FOR(i, l, mid+1){
tt.pb(t2[i]);
}
ret = query(SZ(t1), SZ(tt), &t1[0], &tt[0]);
if (ret) l = mid;
else r = mid-1;
}
t2 = {t2[l]};
l = 0, r = SZ(t1)-1;
while(l < r){
int mid = l+r+1>>1;
vector<int> tt;
FOR(i, l, mid+1){
tt.pb(t1[i]);
}
ret = query(SZ(tt), 1, &tt[0], t2[0]);
if (ret) l = mid;
else r = mid-1;
}
t1 = {t1[l]};
setRoad(t1[0], t2[0]);
auto it = cc.begin();
vector<int> nw;
while(it != cc.end()){
vector<int> tmp = (*it);
bool ex = 0;
for (auto j:tmp){
if (j == t1[0] || j == t2[0]){
ex = 1;
break;
}
}
if (ex) {
for (auto j:tmp) nw.pb(j);
it = cc.erase(it);
}
else it = next(it);
}
}
}
Compilation message
icc.cpp: In function 'void run(int)':
icc.cpp:69:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
69 | int mid = l+r+1>>1;
| ~~~^~
icc.cpp:83:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
83 | int mid = l+r+1>>1;
| ~~~^~
icc.cpp:89:49: error: invalid conversion from '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} to 'int*' [-fpermissive]
89 | ret = query(SZ(tt), 1, &tt[0], t2[0]);
| ^
| |
| __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}
In file included from icc.cpp:2:
icc.h:10:38: note: initializing argument 4 of 'int query(int, int, int*, int*)'
10 | int query(int a, int b, int *A, int *B);
| ~~~~~^