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Submission #1095158

# Submission time Handle Problem Language Result Execution time Memory
1095158 2024-10-01T12:57:06 Z NguyenPhucThang Palembang Bridges (APIO15_bridge) C++17
0 / 100
 2 ms 5388 KB 
#include <bits/stdc++.h>
#define forr(i, a, b) for (int i = (a); i <= (b); i++)
#define ford(i, a, b) for (int i = (a); i >= (b); i--)
#define forf(i, a, b) for (int i = (a); i < (b); i++)
#define fi first
#define se second
#define pb push_back
#define all(v) v.begin(), v.end()
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vii vector<pii>
#define mask(i) (1LL << (i))
#define bit(x, i) (((x) >> (i)) & 1)
#define bp __builtin_popcountll
#define file "test"

using namespace std;
const int base = 31;
const ll mod = 1e9 + 7;
const ll oo = 1e18;
const int N = 1e6 + 5;
const int M = 1e6;

ll s[N], cnt[N];

int main()
{
   ios_base::sync_with_stdio(0);
   cin.tie(0);

    int K, n;
    cin >> K >> n;
    ll res = 0;
    vector<int> xx;
    forr(i, 1, n){
        char b1, b2;
        int x1, x2;
        cin >> b1 >> x1 >> b2 >> x2;
        if (b1 == b2){
            res += abs(x1 - x2);
        }
        else {
            res++;
            cnt[x1]++;
            cnt[x2]++;
            xx.pb(x1);
            xx.pb(x2);
        }
    }
    
    sort(all(xx));

    ll med = xx[(xx.size() - 1) >> 1];  

    ll cost1 = 0;

    if (xx.size() >= 1) forr(i, 0, xx.size() - 1) cost1 += abs(med - xx[i]);

    cout << res + cost1;

   return 0;
}

Compilation message

bridge.cpp: In function 'int main()':
bridge.cpp:2:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    2 | #define forr(i, a, b) for (int i = (a); i <= (b); i++)
      |                                           ^
bridge.cpp:60:25: note: in expansion of macro 'forr'
   60 |     if (xx.size() >= 1) forr(i, 0, xx.size() - 1) cost1 += abs(med - xx[i]);
      |                         ^~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 464 KB Output is correct
4 Correct 2 ms 5388 KB Output is correct
5 Runtime error 1 ms 600 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 2 ms 5364 KB Output is correct
5 Runtime error 1 ms 604 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 464 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -