제출 #105501

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
105501	2019-04-13 00:42:06	onjo0127	Pinball (JOI14_pinball)	C++11	100 / 100	323 ms	14260 KiB

pinball

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#include <bits/stdc++.h>
using namespace std;
const long long INF = 1LL * 1e18;
vector<int> S;
int A[100009], B[100009], C[100009], D[100009];
long long lm[100009], rm[100009];
struct segtree {
    vector<long long> T;
    segtree(int N) {
        T.resize(4*N, 0);
    }
    void upd(int idx, int s, int e, int x, long long y) {
        if(x < s || e < x) return;
        if(s == e) {
            T[idx] = y;
            return;
        }
        int m = s+e >> 1;
        upd(idx*2, s, m, x, y);
        upd(idx*2+1, m+1, e, x, y);
        T[idx] = min(T[idx*2], T[idx*2+1]);
    }
    long long mn(int idx, int s, int e, int l, int r) {
        if(r < s || e < l) return INF;
        if(l <= s && e <= r) return T[idx];
        int m = s+e >> 1;
        return min(mn(idx*2, s, m, l, r), mn(idx*2+1, m+1, e, l, r));
 
 
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컴파일 시 표준 에러 (stderr) 메시지

pinball.cpp: In member function 'void segtree::upd(int, int, int, int, long long int)':
pinball.cpp:21:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         int m = s+e >> 1;
                 ~^~
pinball.cpp: In member function 'long long int segtree::mn(int, int, int, int, int)':
pinball.cpp:29:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         int m = s+e >> 1;
                 ~^~
pinball.cpp: In function 'int main()':
pinball.cpp:35:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int M, N; scanf("%d%d",&M,&N);
               ~~~~~^~~~~~~~~~~~~~
pinball.cpp:37:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d%d",&A[i],&B[i],&C[i],&D[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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