Submission #1054213

#	Time	Username	Problem	Language	Result	Execution time	Memory
1054213		Adomas08	Palembang Bridges (APIO15_bridge)	C++14	22 / 100	57 ms	3480 KiB

bridge

#include <bits/stdc++.h>

using namespace std;
int k, n;

int findmedian(vector<int> j){
j.erase(remove(j.begin(), j.end(), -1), j.end());
sort (j.begin(), j.end());
return (j[j.size() / 2] + j[j.size() / 2 - 1]) / 2;
}
int main(){
long long ans = 0, cur = 0, maxs = -1, ist, num = 0;
priority_queue <int> q;
int passed = 0;
int k, n;
cin >> k >> n;
int a[n*2];
vector <int> v;
char b[n], d[n];
int z[n];
ist = n;
for (int i = 0; i < n; i++){
    z[i] = 0;
    cin >> b[i] >> a[i*2] >> d[i] >> a[i*2+1];
    if (b[i] == d[i]){
        z[i] = 1;
        ist--;
        v.push_back(-1);
        v.push_back(-1);
    }
    else {
        v.push_back(a[i*2]);
        v.push_back(a[i*2+1]);
    }
    if (a[i*2] > a[i*2+1]){
        int temp = a[i*2];
        a[i*2] = a[i*2+1];
        a[i*2+1] = temp;
    }
}
int f;
if (k == 1){
while (k--){
    f = findmedian(v);
    for (int i = 0; i < n; i++){
        if (f >= a[i*2] && f <= a[i*2+1]){
            v[i*2] = -1;
            v[i*2+1] = -1;
        }
    }
}
for (int i = 0; i < n; i++){
    if (b[i] == d[i]){
        ans += a[i*2+1] - a[i*2];
    }
    else{
        if (v[i*2] == -1){
            ans += a[i*2+1] - a[i*2] + 1;
        }
        else{
            if (f < a[i*2]) ans += 1 + a[i*2+1] - a[i*2] + 2 * (a[i*2] - f);
            if (f > a[i*2+1]) ans += 1 + a[i*2+1] - a[i*2] + 2 * (f - a[i*2+1]);

        }
    }
}
}
else{


}
cout << ans;
}

Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:12:20: warning: unused variable 'cur' [-Wunused-variable]
   12 | long long ans = 0, cur = 0, maxs = -1, ist, num = 0;
      |                    ^~~
bridge.cpp:12:29: warning: unused variable 'maxs' [-Wunused-variable]
   12 | long long ans = 0, cur = 0, maxs = -1, ist, num = 0;
      |                             ^~~~
bridge.cpp:12:45: warning: unused variable 'num' [-Wunused-variable]
   12 | long long ans = 0, cur = 0, maxs = -1, ist, num = 0;
      |                                             ^~~
bridge.cpp:14:5: warning: unused variable 'passed' [-Wunused-variable]
   14 | int passed = 0;
      |     ^~~~~~
bridge.cpp:20:5: warning: variable 'z' set but not used [-Wunused-but-set-variable]
   20 | int z[n];
      |     ^

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37