제출 #165679

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
165679	2019-11-28 08:29:28	nvmdava	Regions (IOI09_regions)	C++17	100 / 100	4334 ms	34904 KiB

regions

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#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define N 200005
int h[N], p[N], ho[N], le[N], ri[N], cntr;
int rs[25005];
vector<int> rid[25005], ch[N];
vector<pair<pair<int, int>, int> > rra[25005];
void dfs(int v){
    int t = ++cntr;
    rid[h[v]].push_back(cntr);
    ho[cntr] = h[v];
    for(auto& x : ch[v])
        dfs(x);
    ri[t] = cntr;
}
map<int, int> dif, cache;
void addrange(int v){
    dif.clear();
    for(auto& x : rid[v]){
        ++dif[x];
        --dif[ri[x] + 1];
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

regions.cpp: In function 'int main()':
regions.cpp:72:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             while(rra[r1].size() > i && rra[r1][i].ff.ss < x)
                   ~~~~~~~~~~~~~~~^~~
regions.cpp:74:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(rra[r1].size() == i)
                ~~~~~~~~~~~~~~~^~~~
regions.cpp:76:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(rra[r1].size() != i && rra[r1][i].ff.ff <= x)
                ~~~~~~~~~~~~~~~^~~~
regions.cpp:46:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d%d", &n, &r, &q, &h[1]);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
regions.cpp:49:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &p[i], &h[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~
regions.cpp:63:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &r1, &r2);
         ~~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 85 / 85