제출 #413597

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
413597	2021-05-29 03:47:19	cpp219	운세 보기 2 (JOI14_fortune_telling2)	C++14	100 / 100	315 ms	15868 KiB

fortune_telling2

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#pragma GCC optimization "O2"
#pragma GCC optimization "unroll-loop"
#pragma GCC target ("avx2")
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define fs first
#define sc second
using namespace std;
const ll N = 2e5 + 9;
const ll Log2 = 20;
const ll inf = 1e16 + 7;
typedef pair<ll,ll> LL;
struct data{
    ll x,y,id,dummy;
};
data a[N];
ll n,k,st[4*N],q[N];
bool lf(data a,data b){
    return max(a.x,a.y) > max(b.x,b.y);
}
void upd(ll id,ll l,ll r,ll u,ll val){
    if (u < l||r < u) return;
    if (l == r){
        st[id] = val; return;
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

fortune_telling2.cpp:1: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    1 | #pragma GCC optimization "O2"
      | 
fortune_telling2.cpp:2: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    2 | #pragma GCC optimization "unroll-loop"
      | 
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:88:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   88 |         if (!nxt) ans += a[i].dummy; ans %= 2; /// strugling for a bit =))
      |         ^~
fortune_telling2.cpp:88:38: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   88 |         if (!nxt) ans += a[i].dummy; ans %= 2; /// strugling for a bit =))
      |                                      ^~~
fortune_telling2.cpp:68:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:69:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 31 / 31
• Subtask 3: 65 / 65