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답안 #1021240

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1021240 2024-07-12T16:13:20 Z pan Sirni (COCI17_sirni) C++17
84 / 140
 723 ms 637780 KB 
#include <bits/stdc++.h>
//#include "bits_stdc++.h"
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define endl '\n'
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define input(x) scanf("%lld", &x);
#define input2(x, y) scanf("%lld%lld", &x, &y);
#define input3(x, y, z) scanf("%lld%lld%lld", &x, &y, &z);
#define input4(x, y, z, a) scanf("%lld%lld%lld%lld", &x, &y, &z, &a);
#define print(x, y) printf("%lld%c", x, y);
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl;
#define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl;
#define all(x) x.begin(), x.end()
#define discretize(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end());
#define FOR(i, x, n) for (ll i =x; i<=n; ++i) 
#define RFOR(i, x, n) for (ll i =x; i>=n; --i) 
using namespace std;
mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count());
//using namespace __gnu_pbds;
//#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>
//#define ordered_multiset tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>
typedef long long ll;
typedef long double ld;
typedef pair<ld, ll> pd;
typedef pair<string, ll> psl;
typedef pair<ll, ll> pi;
typedef pair<pi, ll> pii;
typedef pair<pi, pi> piii;
 
ll p;
vector<ll> dis;
pii edges[10000005];
bool compare(pii a , pii b)
{
	return a.s < b.s;
}
 
ll par[100005];
ll find(ll x) {return ((x==par[x])?x:par[x] = find(par[x]));}
void unite(ll x, ll y) {if ((x=find(x)) != (y=find(y))) par[x] = y;}

ll nxt[10000005];
 
int main()
{
	ll n, ans=0;
	input(n);
	dis.resize(n);
	for (ll i=0; i<n; ++i) {input(dis[i]);}
	discretize(dis);
	for (ll i=0; i<=dis.back(); ++i) nxt[i] = -1;
	for (ll i=0; i<dis.size(); ++i) nxt[dis[i]] = i;
	for (ll i=dis.back(); i>=0; --i) if (nxt[i]==-1) nxt[i] = nxt[i+1];
	ll now = 0;
	for (ll i=0; i<ll(dis.size()) - 1; ++i)
	{
		ll last = -1;
		edges[now++] =mp( mp(i, i+1), dis[i+1]%dis[i]);
		for (ll j=dis[i]; j<=dis.back(); j+=dis[i])
		{
			ll nxtnow = nxt[j];
			edges[now++] = mp( mp(i, nxtnow), dis[nxtnow]%dis[i]);
		}
	}
	sort(edges, edges+now, compare);
	for (ll i=0; i<dis.size(); ++i) par[i] = i;
	for (pii u: edges)
	{
		if (find(u.f.f)==find(u.f.s)) continue;
		ans += u.s;
		unite(u.f.f, u.f.s);
	}
	print(ans, '\n');
	
	
	return 0;
}

Compilation message

sirni.cpp: In function 'int main()':
sirni.cpp:59:16: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |  for (ll i=0; i<dis.size(); ++i) nxt[dis[i]] = i;
      |               ~^~~~~~~~~~~
sirni.cpp:64:6: warning: unused variable 'last' [-Wunused-variable]
   64 |   ll last = -1;
      |      ^~~~
sirni.cpp:73:16: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |  for (ll i=0; i<dis.size(); ++i) par[i] = i;
      |               ~^~~~~~~~~~~
sirni.cpp:12:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define input(x) scanf("%lld", &x);
      |                  ~~~~~^~~~~~~~~~~~
sirni.cpp:54:2: note: in expansion of macro 'input'
   54 |  input(n);
      |  ^~~~~
sirni.cpp:12:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define input(x) scanf("%lld", &x);
      |                  ~~~~~^~~~~~~~~~~~
sirni.cpp:56:26: note: in expansion of macro 'input'
   56 |  for (ll i=0; i<n; ++i) {input(dis[i]);}
      |                          ^~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 70 ms 79184 KB Output is correct
2 Correct 327 ms 143532 KB Output is correct
3 Correct 72 ms 79332 KB Output is correct

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 1108 KB Output is correct
2 Runtime error 364 ms 635040 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 70 ms 79188 KB Output is correct
2 Correct 71 ms 78940 KB Output is correct
3 Correct 70 ms 79184 KB Output is correct

Subtask #4
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 170 ms 37804 KB Output is correct
2 Correct 512 ms 110724 KB Output is correct
3 Correct 271 ms 63568 KB Output is correct

Subtask #5
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 58 ms 13392 KB Output is correct
2 Correct 320 ms 62800 KB Output is correct
3 Correct 179 ms 33612 KB Output is correct

Subtask #6
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 299 ms 67668 KB Output is correct
2 Correct 664 ms 150524 KB Output is correct
3 Correct 242 ms 58144 KB Output is correct

Subtask #7
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 12632 KB Output is correct
2 Correct 723 ms 155728 KB Output is correct
3 Correct 253 ms 60244 KB Output is correct

Subtask #8
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 253 ms 115104 KB Output is correct
2 Runtime error 369 ms 637780 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 292 ms 127056 KB Output is correct
2 Runtime error 387 ms 637520 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 97 ms 84308 KB Output is correct
2 Runtime error 392 ms 637520 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -