Submission #146091

#	Time	Username	Problem	Language	Result	Execution time	Memory
146091		str0ct	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	2 ms	376 KiB

bridge

#include<bits/stdc++.h>
using namespace std;
using ll=long long;
ll K,N;
vector <pair<ll,ll> > V;
ll D1,D2;
ll ans;
void sol2(){
    vector <ll> ab;
    for(auto p:V){
        ab.push_back(p.first);
        ab.push_back(p.second);
    }
    sort(ab.begin(),ab.end());
    D1=ab[N-1];
    for(auto p:ab){
        ans+=abs(D1-p);
    }
}
int main(){
    scanf("%lld%lld",&K,&N);
    for(ll i=0;i<N;i++){
        char p,q;
        ll s,t;
        scanf(" %c%lld %c%lld",&p,&s,&q,&t);
        if(p-'B')V.push_back({s,t});
        else V.push_back({t,s});
    }
    if(K-2)sol2();
    //else sol1();
    printf("%lld",ans);
}

Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&K,&N);
     ~~~~~^~~~~~~~~~~~~~~~~~
bridge.cpp:25:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c%lld %c%lld",&p,&s,&q,&t);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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