比赛 |
EYOI常规赛 4th |
评测结果 |
AAAAAAAAAAAAAAAAAAAAAAAAA |
题目名称 |
划分 |
最终得分 |
100 |
用户昵称 |
yrtiop |
运行时间 |
6.175 s |
代码语言 |
C++ |
内存使用 |
332.07 MiB |
提交时间 |
2022-05-27 20:02:53 |
显示代码纯文本
//CSP也有原题是真没想到
//同 [Codeforces229D]Towers
//卡常好恶心QAQ
#include <bits/stdc++.h>
#define LL __int128
using namespace std;
const int maxn = 4e7 + 5;
const int maxm = 1e5 +5;
typedef long long ll;
LL read() {
LL s = 0,f = 1;
char c = getchar();
for(;!isdigit(c);c = getchar())
if(c == '-')f = -1;
for(;isdigit(c);c = getchar())s = (s << 1) + (s << 3) + (c ^ '0');
return s * f;
}
void write(LL x) {
if(x < 0) {
putchar('-');
x = -x;
}
if(x > 9)write(x / 10);
putchar(x % 10 + '0');
return ;
}
int x,y,z;
int b[maxn];
ll s[maxn];
int a[maxn],m,n,pos[maxn];
int p[maxm],l[maxm],r[maxm];
int q[maxn],head,tail;
ll SUM(int x) {
return s[x] - s[pos[x]] + s[x];
}
void datamaker() {
scanf("%d%d%d%d%d%d",&x,&y,&z,&b[1],&b[2],&m);
for(int i = 1;i <= m;++ i)scanf("%d%d%d",&p[i],&l[i],&r[i]);
for(int i = 3;i <= n;++ i)b[i] = (x * b[i - 1] + y * b[i - 2] + z) & ((1 << 30) - 1);
for(int j = 1;j <= m;++ j) {
for(int i = p[j - 1] + 1;i <= p[j];++ i) {
a[i] = (b[i] % (r[j] - l[j] + 1)) + l[j];
s[i] = s[i - 1] + a[i];
}
}
return ;
}
int main() {
freopen("2019partition.in","r",stdin);
freopen("2019partition.out","w",stdout);
int tp;
scanf("%d%d",&n,&tp);
if(tp)datamaker();
else for(int i = 1;i <= n;++ i)scanf("%d",&a[i]),s[i] = s[i - 1] + a[i];
q[head = tail = 1] = 0;
for(int i = 1;i <= n;++ i) {
for(;head < tail&&SUM(q[head]) <= s[i]&&SUM(q[head + 1]) <= s[i];)q[head ++] = 0;
pos[i] = q[head];
for(;head < tail&&SUM(q[tail]) >= SUM(i);)q[tail --] = 0;
q[++ tail] = i;
}
LL ans = 0;
for(int cur = n;cur;cur = pos[cur])ans += ((LL)(s[cur] - s[pos[cur]]) * (s[cur] - s[pos[cur]]));
write(ans);
return 0;
}