#include<bits/stdc++.h>
using namespace std;
#define rep(i, x, y) for(int i = x; i <= y; ++i)
#define repi(i,x,y) for(int i = x; i >= y; --i)
#define ci(x) int x; cin>> x
#define TC(t) ci(t); while(t--)
#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(), x.end()
#define cii(x, y) ci(x); ci(y)
#define ciii(x, y, z) ci(x); ci(y); ci(z)
#define mp make_pair
typedef long long ll;
typedef vector<int> vi;
const int N = 1e5 + 5;
const int mod = 1e9 + 7;
const int mod1 = 998244353;
const int pi = 31, pii = 29, piii = 41;
const int inf = 1e9 + 5;
const int block = 330;
const int dx[4] = {0, 0, 1, -1};
const int dy[4] = {1, -1, 0, 0};
void readfile(){
#ifdef ONLINE_JUDGE
#else
freopen("text.inp", "r", stdin);
#endif // ONLINE_JUDGE
// freopen("feast.in", "r", stdin);
// freopen("feast.out", "w", stdout);
}
int n, s;
vector<pair<int,int> > a[2005]; // fi -> weight, se -> value
int dp[2005][2005];
void inp(){
cin >> s >> n;
rep(i,1,n){
ciii(v,w,k);
a[w].pb(mp(k, v));
}
rep(i,1,s)
sort(all(a[i]), [](pair<int,int> &a, pair<int,int> &b){return a.se > b.se;});
}
void process(){
rep(i,1,s){
rep(j,1,s){
int sum = 0, val = 0;
for(auto t : a[j]){
rep(times,1,t.fi){
sum += j;
val += t.se;
if(sum > i) break;
dp[i][j] = max(dp[i][j], dp[i-sum][j-1] + val);
}
if(sum > i) break;
}
dp[i][j] = max(dp[i][j], dp[i][j-1]);
}
}
int res = 0;
rep(i,1,s)
rep(j,1,s)
res = max(res, dp[i][j]);
cout << res;
}
int main() {
//readfile();
ios_base::sync_with_stdio(0); cin.tie(0);
// TC(t){
inp();
process();
// }
return 0;
}
Compilation message
knapsack.cpp: In function 'void readfile()':
knapsack.cpp:29:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
29 | freopen("text.inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
9932 KB |
Output is correct |
2 |
Correct |
14 ms |
9932 KB |
Output is correct |
3 |
Correct |
15 ms |
9992 KB |
Output is correct |
4 |
Correct |
15 ms |
10024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
36 ms |
16012 KB |
Output is correct |
3 |
Correct |
31 ms |
16004 KB |
Output is correct |
4 |
Correct |
30 ms |
15936 KB |
Output is correct |
5 |
Correct |
32 ms |
15992 KB |
Output is correct |
6 |
Correct |
41 ms |
16048 KB |
Output is correct |
7 |
Correct |
38 ms |
15940 KB |
Output is correct |
8 |
Correct |
35 ms |
16028 KB |
Output is correct |
9 |
Correct |
34 ms |
15944 KB |
Output is correct |
10 |
Correct |
41 ms |
16012 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
36 ms |
16012 KB |
Output is correct |
3 |
Correct |
31 ms |
16004 KB |
Output is correct |
4 |
Correct |
30 ms |
15936 KB |
Output is correct |
5 |
Correct |
32 ms |
15992 KB |
Output is correct |
6 |
Correct |
41 ms |
16048 KB |
Output is correct |
7 |
Correct |
38 ms |
15940 KB |
Output is correct |
8 |
Correct |
35 ms |
16028 KB |
Output is correct |
9 |
Correct |
34 ms |
15944 KB |
Output is correct |
10 |
Correct |
41 ms |
16012 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
35 ms |
16036 KB |
Output is correct |
13 |
Correct |
33 ms |
15940 KB |
Output is correct |
14 |
Correct |
30 ms |
16040 KB |
Output is correct |
15 |
Correct |
31 ms |
15940 KB |
Output is correct |
16 |
Correct |
44 ms |
16040 KB |
Output is correct |
17 |
Correct |
36 ms |
15952 KB |
Output is correct |
18 |
Correct |
36 ms |
15940 KB |
Output is correct |
19 |
Correct |
37 ms |
15944 KB |
Output is correct |
20 |
Correct |
36 ms |
15952 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
9932 KB |
Output is correct |
2 |
Correct |
14 ms |
9932 KB |
Output is correct |
3 |
Correct |
15 ms |
9992 KB |
Output is correct |
4 |
Correct |
15 ms |
10024 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
36 ms |
16012 KB |
Output is correct |
7 |
Correct |
31 ms |
16004 KB |
Output is correct |
8 |
Correct |
30 ms |
15936 KB |
Output is correct |
9 |
Correct |
32 ms |
15992 KB |
Output is correct |
10 |
Correct |
41 ms |
16048 KB |
Output is correct |
11 |
Correct |
38 ms |
15940 KB |
Output is correct |
12 |
Correct |
35 ms |
16028 KB |
Output is correct |
13 |
Correct |
34 ms |
15944 KB |
Output is correct |
14 |
Correct |
41 ms |
16012 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
35 ms |
16036 KB |
Output is correct |
17 |
Correct |
33 ms |
15940 KB |
Output is correct |
18 |
Correct |
30 ms |
16040 KB |
Output is correct |
19 |
Correct |
31 ms |
15940 KB |
Output is correct |
20 |
Correct |
44 ms |
16040 KB |
Output is correct |
21 |
Correct |
36 ms |
15952 KB |
Output is correct |
22 |
Correct |
36 ms |
15940 KB |
Output is correct |
23 |
Correct |
37 ms |
15944 KB |
Output is correct |
24 |
Correct |
36 ms |
15952 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
41 ms |
15940 KB |
Output is correct |
27 |
Correct |
31 ms |
16068 KB |
Output is correct |
28 |
Correct |
30 ms |
15948 KB |
Output is correct |
29 |
Correct |
31 ms |
15940 KB |
Output is correct |
30 |
Correct |
41 ms |
15944 KB |
Output is correct |
31 |
Correct |
35 ms |
15916 KB |
Output is correct |
32 |
Correct |
43 ms |
15940 KB |
Output is correct |
33 |
Correct |
35 ms |
15928 KB |
Output is correct |
34 |
Correct |
42 ms |
15952 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
9932 KB |
Output is correct |
2 |
Correct |
14 ms |
9932 KB |
Output is correct |
3 |
Correct |
15 ms |
9992 KB |
Output is correct |
4 |
Correct |
15 ms |
10024 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
36 ms |
16012 KB |
Output is correct |
7 |
Correct |
31 ms |
16004 KB |
Output is correct |
8 |
Correct |
30 ms |
15936 KB |
Output is correct |
9 |
Correct |
32 ms |
15992 KB |
Output is correct |
10 |
Correct |
41 ms |
16048 KB |
Output is correct |
11 |
Correct |
38 ms |
15940 KB |
Output is correct |
12 |
Correct |
35 ms |
16028 KB |
Output is correct |
13 |
Correct |
34 ms |
15944 KB |
Output is correct |
14 |
Correct |
41 ms |
16012 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
35 ms |
16036 KB |
Output is correct |
17 |
Correct |
33 ms |
15940 KB |
Output is correct |
18 |
Correct |
30 ms |
16040 KB |
Output is correct |
19 |
Correct |
31 ms |
15940 KB |
Output is correct |
20 |
Correct |
44 ms |
16040 KB |
Output is correct |
21 |
Correct |
36 ms |
15952 KB |
Output is correct |
22 |
Correct |
36 ms |
15940 KB |
Output is correct |
23 |
Correct |
37 ms |
15944 KB |
Output is correct |
24 |
Correct |
36 ms |
15952 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
41 ms |
15940 KB |
Output is correct |
27 |
Correct |
31 ms |
16068 KB |
Output is correct |
28 |
Correct |
30 ms |
15948 KB |
Output is correct |
29 |
Correct |
31 ms |
15940 KB |
Output is correct |
30 |
Correct |
41 ms |
15944 KB |
Output is correct |
31 |
Correct |
35 ms |
15916 KB |
Output is correct |
32 |
Correct |
43 ms |
15940 KB |
Output is correct |
33 |
Correct |
35 ms |
15928 KB |
Output is correct |
34 |
Correct |
42 ms |
15952 KB |
Output is correct |
35 |
Correct |
34 ms |
2372 KB |
Output is correct |
36 |
Correct |
78 ms |
18152 KB |
Output is correct |
37 |
Correct |
80 ms |
18016 KB |
Output is correct |
38 |
Correct |
70 ms |
18312 KB |
Output is correct |
39 |
Correct |
74 ms |
19076 KB |
Output is correct |
40 |
Correct |
167 ms |
19284 KB |
Output is correct |
41 |
Correct |
160 ms |
18424 KB |
Output is correct |
42 |
Correct |
169 ms |
18532 KB |
Output is correct |
43 |
Correct |
166 ms |
18472 KB |
Output is correct |
44 |
Correct |
177 ms |
18520 KB |
Output is correct |
45 |
Correct |
79 ms |
19340 KB |
Output is correct |
46 |
Correct |
67 ms |
18864 KB |
Output is correct |
47 |
Correct |
109 ms |
19396 KB |
Output is correct |
48 |
Correct |
113 ms |
19140 KB |
Output is correct |
49 |
Correct |
78 ms |
19028 KB |
Output is correct |
50 |
Correct |
124 ms |
18952 KB |
Output is correct |