#include "bits/stdc++.h"
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
using namespace std;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define pii pair<int, int>
#define pli pair<ll, int>
#define pll pair<ll, ll>
#define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i)
#define wr puts("----------------")
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
void solve(int green_flecks){
int n;
scanf("%d", &n);
vector<int> v(n+1), par(n+1, 0);
vector<bool> ok(n+1, true);
for(int i = 1; i <= n; ++i){
int x;
scanf("%d", &x);
v[i] = x, par[i] = par[i-1]+x;
}
vector<int> dp(par[n]+1, 0);
for(int i = 1; i <= n; i++){
vector<int> ndp = dp;
for(int j = v[i]; j <= par[n]; ++j)
umax(ndp[j], dp[j-v[i]]);
ndp[v[i]] = i;
dp = ndp;
for(int j = i-1; j >= 1; j--){
int sm = par[i]-par[j-1], k = i-j+1;
if(sm&1 or dp[sm]<j)
ok[k] = 0;
}
}
vector<int> A;
for(int i = 2; i <= n; ++i)
if(ok[i])
A.pb(i);
printf("%d", (int)A.size());
tr(it, A)
printf(" %d", *it);
puts("");
}
int main(){
int tt;
scanf("%d", &tt);
while(tt--)
solve(tt);
return 0;
}
Compilation message
Main.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
4 | #pragma GCC optimization ("O3")
|
Main.cpp:5: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
5 | #pragma GCC optimization ("unroll-loops")
|
Main.cpp: In function 'void solve(int)':
Main.cpp:23:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
23 | scanf("%d", &n);
| ~~~~~^~~~~~~~~~
Main.cpp:28:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
28 | scanf("%d", &x);
| ~~~~~^~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:56:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
56 | scanf("%d", &tt);
| ~~~~~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
12 ms |
336 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
113 ms |
704 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |