제출 #173184

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
173184	2020-01-03 14:39:50	songc	Rope (JOI17_rope)	C++14	100 / 100	791 ms	41484 KiB

rope

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#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;
int N, M;
int A[1010101];
int Ecnt[1010101], E[1010101], EM, ES, EN=1;
int Ocnt[1010101], O[1010101], OM, OS, ON=1;
pii Ec[1010101], Oc[1010101];
int Eup(int k, int v){
  Ecnt[E[k]]--;
  if (v < 0 ){
    if (!Ecnt[EM]) EM--;
    else if (EM == ES && Ecnt[EM]<=1) ES--;
    else if (!Ecnt[ES]) ES--;
  }
  E[k] += v;
  if (v > 0){
    if (EM < E[k]) EM = E[k];
    else if (ES < E[k]) ES = E[k];
  }
  Ecnt[E[k]]++;
}
int Oup(int k, int v){
  Ocnt[O[k]]--;
  if (v < 0){
    if (!Ocnt[OM]) OM--;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

rope.cpp: In function 'int Eup(int, int)':
rope.cpp:25:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
rope.cpp: In function 'int Oup(int, int)':
rope.cpp:40:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
rope.cpp: In function 'int main()':
rope.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~~
rope.cpp:49:32: 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", &A[i]);
                           ~~~~~^~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 30 / 30
• Subtask 3: 10 / 10
• Subtask 4: 25 / 25
• Subtask 5: 20 / 20