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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#323378 | #6130. Plants vs. Zombies | Alex_Wei | AC ✓ | 195ms | 4732kb | C++14 | 1.4kb | 2024-02-09 12:44:54 | 2024-02-09 12:44:55 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pdi = pair<double, int>;
using pdd = pair<double, double>;
using ull = unsigned long long;
using LL = __int128_t;
#define ppc(x) __builtin_popcount(x)
#define clz(x) __builtin_clz(x)
bool Mbe;
// ---------- templates above ----------
constexpr int N = 1e5 + 5;
ll n, m, a[N], f[N], g[N];
bool check(ll x) {
ll nxt = 0, res = 0;
for(int i = 1; i <= n; i++) {
ll cnt = (x - 1) / a[i] + 1 - nxt;
if(cnt > 0 || i < n) res++, cnt--;
cnt = max(cnt, 0ll);
res += cnt * 2, nxt = cnt;
if(res > m) return 0;
}
return 1;
}
void solve(int T) {
cin >> n >> m;
for(int i = 1; i <= n; i++) cin >> a[i];
if(n > m) {
cout << "0\n";
return;
}
ll l = 1, r = m * 1e5;
while(l < r) {
ll mid = l + r + 2 >> 1;
if(check(mid)) l = mid;
else r = mid - 1;
}
cout << l << "\n";
}
bool Med;
signed main() {
fprintf(stderr, "%.3lf MB\n", (&Mbe - &Med) / 1048576.0);
// ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#ifdef ALEX_WEI
FILE* IN = freopen("1.in", "r", stdin);
FILE* OUT = freopen("1.out", "w", stdout);
#endif
int T = 1;
cin >> T;
while(T--) solve(T);
fprintf(stderr, "%.3lf ms\n", 1e3 * clock() / CLOCKS_PER_SEC);
return 0;
}
/*
g++ a.cpp -o a -std=c++14 -O2 -DALEX_WEI
*/
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3952kb
input:
2 4 8 3 2 6 6 3 9 10 10 1
output:
6 4
result:
ok 2 number(s): "6 4"
Test #2:
score: 0
Accepted
time: 74ms
memory: 4732kb
input:
116 4 0 3 2 6 6 4 1 3 2 6 6 10 19 10 2 8 4 2 4 9 3 3 3 4 8 3 9 3 6 2 19 2 10 11 15 3 1 1 4 3 7 10 8 6 7 10 10 14 8 7 1 1 10 9 2 8 10 7 2 13 2 3 10 10 8 1 6 6 9 4 7 1 8 8 7 14 6 7 4 5 3 1 3 11 6 8 1 10 9 7 2 6 6 1 3 9 4 10 6 1 3 8 7 7 10 6 2 10 4 7 2 5 11 9 10 5 9 2 9 1 2 4 8 6 2 8 8 1 6 4 5 7 2 9 8 ...
output:
0 0 4 6 20 3 2 14 1 4 0 4 2 6 0 2 24 3 30 10 0 2 3 0 0 2 6 0 1 6 24 28 1 4 3 0 4 10 6 4 1 5 0 2 0 7 30 2 0 0 16 8 0 30 2 30 4 2 0 0 2 0 2 0 5 2 0 0 0 0 5 0 4 6 28 0 0 21 3 0 2 4 0 0 14 4 6 1 0 5 14 3 8 0 4 0 10 12 5 8 1 6 12 0 725 0 17 132 676 588 110 0 163 5910826 1000000000000 16561021906
result:
ok 116 numbers
Test #3:
score: 0
Accepted
time: 195ms
memory: 4664kb
input:
2110 4 0 3 2 6 6 4 1 3 2 6 6 2 7 3 9 28 82 68 27 32 98 88 19 96 37 53 50 45 37 41 92 51 70 73 84 2 53 7 89 9 59 24 23 62 97 22 145 61 22 87 34 75 89 22 6 10 74 21 35 33 23 85 66 89 46 16 48 2 48 25 146 67 63 93 98 1 70 57 45 40 15 1 5 54 38 96 19 94 18 43 98 28 45 47 92 46 21 26 83 54 21 72 25 47 2 ...
output:
0 0 12 35 72 29 6 125 1462 93 160 54 28 27 4 33 625 43 60 1056 0 116 42 31 66 0 0 370 80 198 66 189 39 55 42 36 63 810 325 36 38 20 59 115 0 0 25 4 7 0 72 0 60 1045 39 24 48 35 120 16 86 42 0 28 38 135 67 22 60 104 0 2256 110 0 0 4 25 59 49 0 16 1008 0 26 750 36 33 12 13 48 48 85 18 3135 182 24 160 ...
result:
ok 2110 numbers