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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 |
---|---|---|---|---|---|---|---|---|---|
#712581 | #7624. Mystery of Prime | TANGTANGCC | WA | 3ms | 6224kb | C++23 | 1.9kb | 2024-11-05 16:15:09 | 2024-11-05 16:15:10 |
Judging History
answer
//#pragma GCC optimize(1)
//#pragma GCC optimize(2)
//#pragma GCC optimize(3, "Ofast", "inline")
#include <bits/stdc++.h>
#define int long long
#define ld long double
#define i32 int
#define u32 unsigned int
#define i64 long long
#define u64 unsigned long long
#define u27 __int128
#define endl '\n'
#define VI vector<int>
#define VVI vector<VI>
#define rand() RANDOM(GEN)
#define IO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define CTM (cout<<"Time:"<<static_cast<double>(clock()-START_TIME)/CLOCKS_PER_SEC*1000<<"ms"<<endl)
typedef long long ll;
using namespace std;
random_device SEED;
mt19937_64 GEN(SEED());
uniform_int_distribution<u64> RANDOM(0, numeric_limits<u64>::max());
const clock_t START_TIME = clock();
const int N=1e5+50,M=2e5;
bool f[M+50];
int sz[N],dp[N][3];
signed main() {
#ifndef ONLINE_JUDGE
freopen(".in", "r", stdin);
freopen(".out", "w", stdout);
#endif
IO;
for (int i = 2; i <= M; ++i) {
for (int j = 2*i; j <= M; j+=i) {
f[j]=1;
}
}
int n;
cin>>n;
for (int i = 1; i <= n; ++i) {
cin>>sz[i];
}
memset(dp,127,sizeof(dp));
dp[1][0]=0,dp[1][1]=dp[1][2]=1;
for (int i = 2; i <= n; ++i) {
for (int j = 0; j < 3; ++j) {
if(!f[sz[i]+sz[i-1]]) {
dp[i][0]=min(dp[i][0],dp[i-1][0]);
}
if(!f[1+sz[i-1]]) {
dp[i][1]=min(dp[i][1],dp[i-1][0]+1);
}
if(!f[2+sz[i-1]]) {
dp[i][2]=min(dp[i][2],dp[i-1][0]+1);
}
if(!f[1+sz[i]]) {
dp[i][0]=min(dp[i][0],dp[i-1][1]);
}
if(!f[2+sz[i]]) {
dp[i][0]=min(dp[i][0],dp[i-1][2]);
}
dp[i][1]=min({dp[i][1],dp[i-1][1]+1,dp[i-1][2]+1});
dp[i][2]=min({dp[i][2],dp[i-1][1]+1});
}
}
cout<<min({dp[n][0],dp[n][1],dp[n][2]});
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 3ms
memory: 6224kb
input:
6 1 5 1 4 4 1
output:
2
result:
ok 1 number(s): "2"
Test #2:
score: 0
Accepted
time: 2ms
memory: 6204kb
input:
9 30 6 7 12 15 8 20 17 14
output:
4
result:
ok 1 number(s): "4"
Test #3:
score: -100
Wrong Answer
time: 3ms
memory: 6220kb
input:
1568 119 519 706 1003 1317 322 25 1466 816 525 1 1122 38 1511 774 515 274 780 647 230 1602 1051 810 1 1 1232 1 1202 1583 412 1111 168 309 1181 184 1260 491 764 809 1213 804 1470 1 1087 1235 1004 673 1338 1333 1392 1036 1539 268 1 712 727 297 404 1317 36 463 1067 1133 693 931 46 1 100 1608 965 1 1406...
output:
1020
result:
wrong answer 1st numbers differ - expected: '733', found: '1020'