제출 #125483

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
125483	2019-07-05 13:12:53	songc	Long Mansion (JOI17_long_mansion)	C++14	100 / 100	1142 ms	72740 KiB

long_mansion

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#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
int N, Q;
int C[505050], S[2020202], E[2020202];
int L[505050], R[505050], chk[505050];
int LT[2020202], RT[2020202];
vector<int> key[505050];
void init(int id, int s, int e){
    if (s == e){
        LT[id] = L[s];
        RT[id] = R[s];
        return;
    }
    int mid = (s+e)/2;
    init(id*2, s, mid);
    init(id*2+1, mid+1, e);
    LT[id] = min(LT[id*2], LT[id*2+1]);
    RT[id] = max(RT[id*2], RT[id*2+1]);
}
int Lquery(int id, int s, int e, int ts, int te, int x){
    if (e < ts || te < s || LT[id] > x) return -1;
    if (s == e) return s;
    int mid = (s+e)/2;
    int ret = Lquery(id*2+1, mid+1, e, ts, te, x);
    if (ret != -1) return ret;
    return Lquery(id*2, s, mid, ts, te, x);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

long_mansion.cpp: In function 'int main()':
long_mansion.cpp:80:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ~~~~~^~~~~~~~~~
long_mansion.cpp:81:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i=1; i<N; i++) scanf("%d", &C[i]);
                             ~~~~~^~~~~~~~~~~~~
long_mansion.cpp:83:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
         ~~~~~^~~~~~~~~~
long_mansion.cpp:85:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &y);
             ~~~~~^~~~~~~~~~
long_mansion.cpp:108:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &Q);
     ~~~~~^~~~~~~~~~
long_mansion.cpp:110:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &x, &y);
         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 15 / 15
• Subtask 4: 75 / 75