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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#570729 | #9313. Make Max | DBXZHAO | TL | 1ms | 5892kb | C++14 | 1.6kb | 2024-09-17 17:24:30 | 2024-09-17 17:24:32 |
Judging History
answer
// ֻѡÔñΪ2µÄÇø¼ä
// Ñ¡ÔñÏàÁÚ½ÏСµÄÒ»¶¨±ÈÑ¡´óµÄ¸üÓÅ
#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
typedef long long LL;
typedef pair<int, int> PII;
const int N = 200010;
int n, m;
int w[N];
int mount[N], sum[N], cnt;
PII wg[N];
map<int, int> alp;
set<int> nums;
inline void read(int& a)
{
int s = 0, w = 1;
char ch = getchar();
while (ch < '0' || ch>'9')
{
if (ch == '-')
w = -1;
ch = getchar();
}
while (ch >= '0' && ch <= '9')
{
s = s * 10 + ch - '0';
ch = getchar();
}
a = s * w;
}
int main()
{
int T;
read(T);
while (T -- )
{
read(n);
m = 0;
for (int i = 1; i <= n; ++ i)
{
read(w[i]);
if (i == 1 || w[i] != w[i - 1]) wg[++ m] = {w[i], 1};
else wg[m].y ++;
}
for (int i = 1; i <= m; ++ i)
sum[i] = sum[i - 1] + wg[i].y;
cnt = 0;
mount[++ cnt] = 1;
for (int i = 2; i < m; ++ i)
if (wg[i].x > wg[i - 1].x && wg[i].x > wg[i + 1].x)
mount[++ cnt] = i;
mount[++ cnt] = m;
int res = 0;
nums.clear();
for (int i = 1; i < cnt; ++ i)
{
int len = 0;
int j = i + 1;
for (int k = mount[i]; k <= mount[j]; ++ k)
{
nums.insert(wg[k].x);
if (alp[wg[k].x] == 0) len ++;
alp[wg[k].x] += wg[k].y;
}
int tmp;
int now = 1;
for (auto it = nums.begin(); it != nums.end(); ++ it)
{
tmp = *it;
res = res + (LL)alp[tmp] * (len - now);
alp[tmp] = 0;
++ now;
}
wg[mount[j]].x = tmp, wg[mount[j]].y = sum[mount[j]];
}
printf("%d\n", res);
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5892kb
input:
4 2 1 2 2 2 2 7 1 1 1 2 2 2 2 3 1 2 3
output:
1 0 3 3
result:
ok 4 number(s): "1 0 3 3"
Test #2:
score: -100
Time Limit Exceeded
input:
2 198018 875421126 585870339 471894633 383529988 625397685 944061047 704695631 105113224 459022561 760848605 980735314 847376362 980571959 329939331 644635272 326439858 752879510 837384394 175179068 182094523 397239381 1199016 185143405 279638454 252374970 822030887 860312140 137248166 993229443 164...