Submission #1091641

# Submission time Handle Problem Language Result Execution time Memory
1091641 2024-09-21T16:26:58 Z TgX_2 Sirni (COCI17_sirni) C++17
84 / 140
1064 ms 786432 KB
/*-----------------------------
        Author : TgX.2
       11Ti - K28 - CHV
-----------------------------*/

#include <bits/stdc++.h>

#define FOR(i, a, b)       for (int i = (a), _b = (b); i <= _b; i += 1)
#define FORD(i, a, b)      for (int i = (a), _b = (b); i >= _b; i -= 1)
#define FORC(i, a, b, c)   for (int i = (a), _b = (b), _c = (c); i <= _b; i += _c)

#define fi                 first
#define se                 second
#define pb                 push_back
#define len(x)             (int)((x).size())
#define all(x)             (x).begin(), (x).end()

#define _                  << " " <<
#define __                 << "\n"

#define ______________TgX______________ main()
// #define int                long long
#define intmax             1e9
#define intmin            -1e9
#define llongmax           1e18
#define llongmin          -1e18
#define memo(a, val)       memset((a), (val), sizeof((a)))

using   namespace std;
typedef long long          ll;
typedef pair<int, int>     pii;

template<typename T1, typename T2> 
bool mini(T1 &a, T2 b)
    {if (a > b) a = b; else return 0; return 1;}

template<typename T1, typename T2> 
bool maxi(T1 &a, T2 b)
    {if (a < b) a = b; else return 0; return 1;}
/*-----------------------------*/

const int maxn = 1e5 + 7;
const int maxval = 1e7 + 7;

int n, a[maxn], pos[maxval];
vector<pair<int, int>> candidate[maxval];

vector<pair<int, int>> g[maxn];
void prim() {
    vector<int> dis(maxn, intmax);
    dis[1] = 0;

    priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> q;
    q.push({0, 1});

    int ans = 0;

    while(!q.empty()) {
        pair<int, int> top = q.top(); q.pop();
        int u = top.se, cost = top.fi;

        if (cost != dis[u]) continue;
        
        ans += cost;
        dis[u] = intmin;

        for(const pair<int, int> &val : g[u]) {
            int v = val.fi, w = val.se;
            if (dis[v] > w) {
                dis[v] = w;
                q.push({dis[v], v});
            }
        }
    }
    cout << ans;
}


void process() {
    cin >> n;
    FOR(i, 1, n) cin >> a[i];
    sort(a + 1, a + 1 + n);

    FOR(i, 1, n) pos[a[i]] = i;
    FORD(i, a[n], 1) if (pos[i] == 0) pos[i] = pos[i + 1];

    FOR(i, 2, n) {
        int val = a[i] % a[i - 1];
        g[i].pb({i - 1, val});
        g[i - 1].pb({i, val});
    }
    
    FOR(i, 1, n) {
        int cur = a[i] + a[i];
        while(cur <= a[n]) {
            int posi = pos[cur];
            if (posi == 0) continue;
            
            int val = a[posi] % a[i];
            g[i].pb({posi, val});
            g[posi].pb({i, val});
            cur = a[posi] / a[i] * a[i];
            cur += a[i];
        }
    }

    prim();
}



/*-----------------------------*/
______________TgX______________ {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);  
    if (fopen("temp.inp", "r")) {
        freopen("temp.inp", "r", stdin);
        freopen("temp.out", "w", stdout);
    }
    process();
}


/*==============================+
|INPUT                          |
--------------------------------|

================================+
|OUTPUT                         |
--------------------------------|

===============================*/

Compilation message

sirni.cpp:21:41: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | #define ______________TgX______________ main()
      |                                         ^~~~
sirni.cpp:113:1: note: in expansion of macro '______________TgX______________'
  113 | ______________TgX______________ {
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sirni.cpp: In function 'int main()':
sirni.cpp:117:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  117 |         freopen("temp.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sirni.cpp:118:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  118 |         freopen("temp.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 117 ms 277300 KB Output is correct
2 Correct 131 ms 281416 KB Output is correct
3 Correct 123 ms 277368 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 103 ms 238164 KB Output is correct
2 Correct 130 ms 279004 KB Output is correct
3 Correct 125 ms 277436 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 133 ms 277192 KB Output is correct
2 Correct 119 ms 277072 KB Output is correct
3 Correct 137 ms 277332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 206 ms 269388 KB Output is correct
2 Correct 525 ms 367428 KB Output is correct
3 Correct 239 ms 291196 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 109 ms 245876 KB Output is correct
2 Runtime error 856 ms 786432 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 292 ms 307784 KB Output is correct
2 Correct 483 ms 431180 KB Output is correct
3 Correct 201 ms 279036 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 135 ms 249068 KB Output is correct
2 Correct 402 ms 396884 KB Output is correct
3 Correct 214 ms 286040 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 246 ms 309784 KB Output is correct
2 Runtime error 1044 ms 786432 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 234 ms 308424 KB Output is correct
2 Runtime error 945 ms 786432 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 142 ms 282316 KB Output is correct
2 Runtime error 1064 ms 786432 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -