제출 #8032

#제출 시각아이디문제언어결과실행 시간메모리
8032gs14004쌀 창고 (IOI11_ricehub)C++98
100 / 100
20 ms5776 KiB
typedef long long lint;

int r;
lint sum[100005];

int ck(int n, int piv, lint lim){
    int s,e,m;
    lint r;
    for (int i=1; i<=n-piv+1; i++) {
        s = i;
        e = i + piv - 1;
        m = (s+e)/2;
        r = (sum[e] - sum[m]) - (sum[m-piv%2] - sum[s-1]);
        if(r <= lim) return 1;
    }
    return 0;
}

int besthub(int R, int L, int* X, lint B){
    for (int i=1; i<=R; i++) {
        sum[i] = sum[i-1] + X[i-1];
    }
    int s = 0, e = R;
    while (s != e) {
        int m = (s+e+1)/2;
        if(ck(R,m,B)) s = m;
        else e = m-1;
    }
    return s;
}
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