제출 #65216

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
65216	2018-08-07 05:12:53	red1108	조화행렬 (KOI18_matrix)	C++17	29 / 100	4056 ms	76380 KiB

matrix

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#include <bits/stdc++.h>
using namespace std;
struct in{
    int x, y,z;
}input[200010];
int n, k,si=1;
set<pair<int,int> > seg[530000];
vector<pair<int,int> > er;
int getmax(int cur, int l, int r, int s, int e, int zz)
{
    if(l>r||r<s||e<l) return 0;
    if(s<=l&&r<=e)
    {
        auto it=upper_bound(seg[cur].begin(),seg[cur].end(),pair<int,int>{zz,1000000});
        if(it==seg[cur].begin()) return 0;
        it--;
        return -(*it).second;
    }
    return max(getmax(cur*2,l,(l+r)/2,s,e,zz),getmax(cur*2+1,(l+r)/2+1,r,s,e,zz));
}
void gang(int cury, int curz, int put)
{
    cury=cury+si-1;
    while(cury)
    {
        auto it=lower_bound(seg[cury].begin(),seg[cury].end(),pair<int,int>{curz,-put});
        if(it!=seg[cury].begin())
        {
            it--;
            if(-(*it).second>=put) break;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

matrix.cpp: In function 'int main()':
matrix.cpp:47:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&k,&n);
     ~~~~~^~~~~~~~~~~~~~~
matrix.cpp:48:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1;i<=n;i++) scanf("%d", &input[i].x);
                       ~~~~~^~~~~~~~~~~~~~~~~~~
matrix.cpp:49:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1;i<=n;i++) scanf("%d", &input[i].y);
                       ~~~~~^~~~~~~~~~~~~~~~~~~
matrix.cpp:50:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     if(k==3) for(i=1;i<=n;i++) scanf("%d", &input[i].z);
                                ~~~~~^~~~~~~~~~~~~~~~~~~

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• Subtask 4: 0 / 62