結果

問題 No.2408 Lakes and Fish
ユーザー vjudge1
提出日時 2024-05-04 23:51:56
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
RE  
実行時間 -
コード長 1,679 bytes
コンパイル時間 1,806 ms
コンパイル使用メモリ 197,220 KB
最終ジャッジ日時 2025-02-21 10:56:13
ジャッジサーバーID
(参考情報)
judge2 / judge4
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 1 RE * 18
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp:7:18: warning: overflow in conversion from ‘double’ to ‘long long int’ changes value from ‘1.0e+19’ to ‘9223372036854775807’ [-Woverflow]
    7 | const ll INF=1e19+5;
      |              ~~~~^~
main.cpp: In function ‘void solve()’:
main.cpp:53:48: warning: ‘low’ may be used uninitialized [-Wmaybe-uninitialized]
   53 |             ll dist=min(abs(v[i].first-tree[low]),abs(v[i].first-tree[hi]));
      |                                        ~~~~~~~~^
main.cpp:31:16: note: ‘low’ was declared here
   31 |             ll low,hi;
      |                ^~~
main.cpp:53:73: warning: ‘hi’ may be used uninitialized [-Wmaybe-uninitialized]
   53 |             ll dist=min(abs(v[i].first-tree[low]),abs(v[i].first-tree[hi]));
      |                                                                  ~~~~~~~^
main.cpp:31:20: note: ‘hi’ was declared here
   31 |             ll low,hi;
      |                    ^~

ソースコード

diff #

#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
using namespace std;

const ll N=2e5+5;
const ll INF=1e19+5;


void solve(){
    ll n,m; cin>>n>>m;
    ll arr[N];
    ll tree[n];
    memset(arr,0,sizeof(arr));
    for(int i=0;i<n;i++){
        cin>>tree[i];
        arr[tree[i]]=1;
    }
    vector<pair<ll,pair<ll,ll>>>v(n);
    for(int i=0;i<n;i++){
        cin>>v[i].first>>v[i].second.first>>v[i].second.second;
    }
    ll sum=0;
    for(int i=0;i<n;i++){
        if(arr[v[i].first]==1){
            sum+=v[i].second.second;
            // cout<<v[i].second.second;
        }
        else{
            ll l=0,r=n-1;
            ll low,hi;
            while(l<=r){
                ll mid=(l+r)/2;
                if(tree[i]<v[i].first){
                    l=mid+1;
                }
                else{
                    low=mid;
                    r=mid-1;
                }
            }
            l=0,r=n-1;
            while(l<=r){
                ll mid=(l+r)/2;
                if(tree[i]>v[i].first){
                    r=mid-1;
                }
                else{
                    hi=mid;
                    l=mid+1;
                }
            }
            ll dist=min(abs(v[i].first-tree[low]),abs(v[i].first-tree[hi]));
            if(dist<v[i].second.second-v[i].second.first){
                sum+=v[i].second.second-dist;
                // cout<<v[i].second.second-dist<<endl;
            }
            else{
                sum+=v[i].second.first;
                // cout<<v[i].second.first<<endl;
            }
        }
    }
    cout<<sum<<endl;
}

int main(){
    ll tc; tc=1;
    while(tc--){
        solve();
    }
}
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