/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
const int N = 1e6+100, M = 1e5+10, K = 18;
const ll INF = (1ll<<60)-1;
struct Line{
ll x, y;
void re(){
cin >> x >> y;
}
};
ll r(ll n){
if(n==0) return 1e18;
return n & -n;
}
ll f(ll x, ll y, ll cost, vector<array<ll, 3>> &g){
if(x==y){
g.pb({0, 0, cost});
return cost;
}
g.pb({x, y, cost});
if(r(x) < r(y)){
ll c = x - (x & (INF^(r(y)-1)));
return cost + f(x - c, y, c, g);
}
ll c = y - (y & (INF^(r(x)-1)));
return cost + f(x, y - c, c, g);
}
int n;
Line a[N];
void solve(){
cin >> n;
for(int i = 0; i < n; ++i){
a[i].re();
}
vector<array<ll, 3>> X, Y;
ll ans = 0;
f(a[0].x, a[0].y, 0, X);
f(a[1].x, a[1].y, 0, Y);
ans = a[0].x + a[1].x + a[0].y + a[1].y;
reverse(all(X));
reverse(all(Y));
// for(auto k: X){
// cout << k[0] << ' ' << k[1] << '\n';
// }
// en;
// for(auto k: Y){
// cout << k[0] << ' ' << k[1] << '\n';
// }
// en;
Y.pb(Y.back());
X.pb(X.back());
for(int i = 0; i < min(Y.size(), X.size()); ++i){
if(Y[i][0] == X[i][0] && Y[i][1] == X[i][1]){
ans -= X[i][2] + Y[i][2];
}else{
ans += abs(X[i][0] - Y[i][0]) + abs(Y[i][1] - X[i][1]);
break;
}
// cout << ans << ' ';
}
cout << ans;
}
int main(){
cin.tie(0); ios::sync_with_stdio(0);
int tt = 1, aa;
// freopen("in.txt", "r", stdin);
// freopen("out.txt", "w", stdout);
// cin >> tt;
while(tt--){
solve();
// en;
}
cerr<<"time taken : "<<(float)clock()/CLOCKS_PER_SEC<<" seconds\n";
return 0;
}
Compilation message
cvenk.cpp: In function 'void solve()':
cvenk.cpp:62:20: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare]
62 | for(int i = 0; i < min(Y.size(), X.size()); ++i){
| ~~^~~~~~~~~~~~~~~~~~~~~~~~~
cvenk.cpp: In function 'int main()':
cvenk.cpp:77:15: warning: unused variable 'aa' [-Wunused-variable]
77 | int tt = 1, aa;
| ^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
292 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
266 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
12 ms |
2652 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
282 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |