제출 #337295

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
337295	2020-12-19 13:24:22	ryangohca	Progression (NOI20_progression)	C++17	100 / 100	2278 ms	86092 KiB

Progression

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#include <bits/stdc++.h>
#define int long long
#define pii pair<int, int>
#define tpip tuple<pii, int, pii>
using namespace std;
struct node{
    int s, e, m, sum, maxcos, lazyset, lazyadd;
    bool lazyseton;
    pii pref, suff;
    node *l, *r;
    node(int _s, int _e): s(_s), e(_e), m((_s+_e)/2), maxcos(0), lazyset(-1), lazyadd(0), sum(0), lazyseton(false){
        if (s != e){
            l = new node(s, m);
            r = new node(m+1, e);
        }
    }
    void value(){
        if (lazyseton){
            pref = suff = pii(lazyset+lazyadd, e-s+1);
            sum = (lazyset + lazyadd) * (e-s+1);
            if (s!=e){
                l->lazyset = r->lazyset = lazyset;
                l->lazyadd = r->lazyadd = lazyadd;
                l->lazyseton = r->lazyseton = true;
            }
            lazyadd = 0;
            lazyset = -1;
            lazyseton = false;
            maxcos = e - s + 1;
        } else {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Progression.cpp: In constructor 'node::node(long long int, long long int)':
Progression.cpp:7:40: warning: 'node::lazyadd' will be initialized after [-Wreorder]
    7 |     int s, e, m, sum, maxcos, lazyset, lazyadd;
      |                                        ^~~~~~~
Progression.cpp:7:18: warning:   'long long int node::sum' [-Wreorder]
    7 |     int s, e, m, sum, maxcos, lazyset, lazyadd;
      |                  ^~~
Progression.cpp:11:5: warning:   when initialized here [-Wreorder]
   11 |     node(int _s, int _e): s(_s), e(_e), m((_s+_e)/2), maxcos(0), lazyset(-1), lazyadd(0), sum(0), lazyseton(false){
      |     ^~~~
Progression.cpp: At global scope:
Progression.cpp:127:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  127 | main(){
      |      ^

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