#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC optimize("conserve-stack")
#include<bits/stdc++.h>
#define int long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
#define getchar_unlocked getchar
inline int scan()
{
char c = getchar_unlocked();
int x = 0;
while (c < '0' || c > '9')
{
c = getchar_unlocked();
}
while (c >= '0' && c <= '9')
{
x = (x << 1) + (x << 3) + c - '0';
c = getchar_unlocked();
}
return x;
}
void phongbeo();
const int inf = 1e9;
const ll mod2 = 1e9 + 7;
const int mod1 = 998244353;
const ll base=67;
int add(int x,int y)
{
if(x+y>=mod2) x-=mod2;
if(x+y<0) x+=mod2;
return x+y;
}
struct icd
{
long double a;
int b;
};
struct ib
{
int a;
int b;
};
struct ic
{
int a, b, c;
};
struct id
{
int a, b, c, d;
};
struct ie
{
int a, b, c, d, e;
};
int n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, mid, l2, r2, center;
int i, s10, s12,k1,k2,k3,s11,t,lim,w,l,r;
int kk;
int el = 19;
main()
{
if(fopen(task".inp","r"))
{
fin(task);
fou(task);
}
NHP
/// cin>>s1;
// modwwe
phongbeo(),down
//checktime
}
int dp[1001][20001];
int dp2[20001];
int a[1001];
int b[1001];
void phongbeo()
{
cin>>n;
cin>>lim;
m=20000;
for(int i=1; i<n; i++)
cin>>a[i]>>b[i];
/// neu no di qua duoc minh xep cho no di qua san
for(int i=1; i<=n; i++)
for(int j=0; j<=m; j++)
dp[i][j]=-inf;
for(int i=0; i<lim; i++)
dp[1][i]=0;
///2 2 5
for(int i=1; i<n; i++)
{
///-> if choose =ai so next =0
for(int j=m-1; j>=0; --j)
dp[i][j]=max(dp[i][j+1],dp[i][j]);
for(int j=0; j<=m; j++)
{
if(j>=a[i]+b[i]) dp[i+1][j]=max(dp[i+1][j],dp[i][j]);
else if(j<a[i])
{
dp[i+1][b[i]-1]=max(dp[i+1][b[i]-1],dp[i][j]+j);
dp[i+1][j+b[i]]=max(dp[i+1][j+b[i]],dp[i][j]);
/// ko dc di quas
}
else dp[i+1][j-a[i]]=max(dp[i+1][j-a[i]],dp[i][j]+a[i]);
}
}
for(int j=0; j<=m; j++)
{
s4=max(dp[n][j]+j,s4);
}
cout<<s4;
}
Compilation message
Main.cpp:75:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
75 | main()
| ^~~~
Main.cpp: In function 'int main()':
Main.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
13 | #define fin(x) freopen(x".inp","r",stdin)
| ~~~~~~~^~~~~~~~~~~~~~~~~~~
Main.cpp:79:9: note: in expansion of macro 'fin'
79 | fin(task);
| ^~~
Main.cpp:14:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | #define fou(x) freopen(x".out","w",stdout)
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~
Main.cpp:80:9: note: in expansion of macro 'fou'
80 | fou(task);
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
1 ms |
2384 KB |
Output is correct |
3 |
Correct |
1 ms |
2384 KB |
Output is correct |
4 |
Correct |
1 ms |
2384 KB |
Output is correct |
5 |
Correct |
2 ms |
2384 KB |
Output is correct |
6 |
Correct |
1 ms |
2384 KB |
Output is correct |
7 |
Correct |
1 ms |
2384 KB |
Output is correct |
8 |
Correct |
1 ms |
2384 KB |
Output is correct |
9 |
Correct |
1 ms |
2384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
1 ms |
2384 KB |
Output is correct |
3 |
Correct |
2 ms |
2384 KB |
Output is correct |
4 |
Correct |
1 ms |
2384 KB |
Output is correct |
5 |
Correct |
1 ms |
2384 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
50 ms |
157008 KB |
Output is correct |
8 |
Correct |
45 ms |
154192 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
1 ms |
2384 KB |
Output is correct |
3 |
Correct |
1 ms |
2384 KB |
Output is correct |
4 |
Correct |
1 ms |
2384 KB |
Output is correct |
5 |
Correct |
2 ms |
2384 KB |
Output is correct |
6 |
Correct |
1 ms |
2384 KB |
Output is correct |
7 |
Correct |
1 ms |
2384 KB |
Output is correct |
8 |
Correct |
1 ms |
2384 KB |
Output is correct |
9 |
Correct |
1 ms |
2384 KB |
Output is correct |
10 |
Correct |
1 ms |
2384 KB |
Output is correct |
11 |
Correct |
1 ms |
2384 KB |
Output is correct |
12 |
Correct |
1 ms |
2384 KB |
Output is correct |
13 |
Correct |
1 ms |
2384 KB |
Output is correct |
14 |
Correct |
10 ms |
33104 KB |
Output is correct |
15 |
Correct |
9 ms |
31056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2384 KB |
Output is correct |
2 |
Correct |
1 ms |
2384 KB |
Output is correct |
3 |
Correct |
1 ms |
2384 KB |
Output is correct |
4 |
Correct |
1 ms |
2384 KB |
Output is correct |
5 |
Correct |
2 ms |
2384 KB |
Output is correct |
6 |
Correct |
1 ms |
2384 KB |
Output is correct |
7 |
Correct |
1 ms |
2384 KB |
Output is correct |
8 |
Correct |
1 ms |
2384 KB |
Output is correct |
9 |
Correct |
1 ms |
2384 KB |
Output is correct |
10 |
Correct |
1 ms |
2384 KB |
Output is correct |
11 |
Correct |
1 ms |
2384 KB |
Output is correct |
12 |
Correct |
2 ms |
2384 KB |
Output is correct |
13 |
Correct |
1 ms |
2384 KB |
Output is correct |
14 |
Correct |
1 ms |
2384 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
50 ms |
157008 KB |
Output is correct |
17 |
Correct |
45 ms |
154192 KB |
Output is correct |
18 |
Correct |
1 ms |
2384 KB |
Output is correct |
19 |
Correct |
1 ms |
2384 KB |
Output is correct |
20 |
Correct |
1 ms |
2384 KB |
Output is correct |
21 |
Correct |
1 ms |
2384 KB |
Output is correct |
22 |
Correct |
10 ms |
33104 KB |
Output is correct |
23 |
Correct |
9 ms |
31056 KB |
Output is correct |
24 |
Correct |
47 ms |
157008 KB |
Output is correct |
25 |
Correct |
46 ms |
154188 KB |
Output is correct |
26 |
Correct |
1 ms |
2384 KB |
Output is correct |
27 |
Correct |
49 ms |
157204 KB |
Output is correct |
28 |
Correct |
51 ms |
157008 KB |
Output is correct |
29 |
Correct |
48 ms |
154364 KB |
Output is correct |
30 |
Correct |
36 ms |
109136 KB |
Output is correct |