제출 #569419

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
569419	2022-05-27 11:37:45	79brue	Teleporters (IOI08_teleporters)	C++17	40 / 100	851 ms	40376 KiB

teleporters

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n, k, len;
int nxt[2000002];
bool visited[2000002];
int l[1000002], r[1000002];
vector<int> vec;
int base;
int main(){
    scanf("%d %d", &n, &k);
    for(int i=1; i<=n; i++){
        scanf("%d %d", &l[i], &r[i]);
        vec.push_back(l[i]), vec.push_back(r[i]);
    }
    sort(vec.begin(), vec.end());
    len = n*2;
    for(int i=0; i<len; i++) nxt[i] = i+1;
    for(int i=1; i<=n; i++){
        l[i] = lower_bound(vec.begin(), vec.end(), l[i]) - vec.begin() + 1;
        r[i] = lower_bound(vec.begin(), vec.end(), r[i]) - vec.begin() + 1;
        nxt[l[i]-1] = r[i];
        nxt[r[i]-1] = l[i];
    }
    nxt[len] = 0;
    vec.clear();
 
 
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컴파일 시 표준 에러 (stderr) 메시지

teleporters.cpp: In function 'int main()':
teleporters.cpp:15:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     scanf("%d %d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~
teleporters.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         scanf("%d %d", &l[i], &r[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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