Submission #448515

#	Time	Username	Problem	Language	Result	Execution time	Memory
448515		bigDuck	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	1 ms	332 KiB

bridge

#include<bits/stdc++.h>
using namespace std;
#define INIT  ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount
#define int ll

int n, k;
int s[100010], t[100010];
char p[100010], q[100010];







int get_1(){

vector<int> pts;
pts.clear();

int s0=0;

for(int i=1; i<=n; i++){
    if(p[i]==q[i]){
        s0+=abs(s[i]-t[i]);
    }
    else{
        pts.pb(s[i]);
        pts.pb(t[i]);
    }
}
sort(pts.begin(), pts.end());

int res=1e18;
int s1=0, s2=0;
int k1=0, k2=0;
for(int x:pts){
    s2+=x;
}

k2=pts.size();


for(int i=0; i<pts.size(); i++){
    k2--; k1++;
    s1+=pts[i], s2-=pts[i];
    res=min(res, pts[i]*k1-s1+s2-pts[i]*k2+s0+(((int)pts.size())/2));
    /*
    if(pts[i]*k1-s1+s2-pts[i]*k2+s0==20){
        cout<<(i+1)<<"\n";
    }
    */
}

return res;
}









int get_2(){
return 0;

}






int32_t main(){
INIT

cin>>k>>n;
for(int i=1; i<=n; i++){
    cin>>p[i]>>s[i]>>q[i]>>t[i];

}

if(k==1){
    cout<<get_1()<<"\n";
}
else{
    cout<<get_2()<<"\n";
}




return 0;
}

Compilation message (stderr)

bridge.cpp: In function 'long long int get_1()':
bridge.cpp:51:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 | for(int i=0; i<pts.size(); i++){
      |              ~^~~~~~~~~~~

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