oj.uz

Submission #259179

# Submission time Handle Problem Language Result Execution time Memory
259179 2020-08-07T10:23:27 Z patrikpavic2 Two Dishes (JOI19_dishes) C++17
3 / 100
 380 ms 53088 KB 
#include <cstdio>
#include <cstring>
#include <vector>
#include <algorithm>
#include <set>
 
#define X first 
#define Y second
#define PB push_back
 
using namespace std;
 
 
typedef long long ll;
typedef pair < int, ll > pii;
 
const int N = 1e6 + 50;
const ll INF = 1e18;
 
ll del[N],  mora[N], S[N], T[N];
int n, m;
int Q[N], P[N], A[N], B[N];
int SS[N], TT[N];
vector < ll > v, v2;
vector < int > brisi[N];
set < pii > ostalo;
 
/** 
 
int bio[N][N];
ll dp[N][N];
 
ll f(int x, int y){
	if(x == 0 && y == 0) return 0;
	if(bio[x][y]) return dp[x][y];
	ll ret = -INF;
	if(x)
		ret = max(ret, f(x - 1, y) + (y <= SS[x] ? P[x] : 0));
	if(y)
		ret = max(ret, f(x, y - 1) + (x <= TT[y] ? Q[y] : 0));
	bio[x][y] = 1; dp[x][y] = ret;
	return dp[x][y];
}

**/

void pocisti(int sad, ll trb){
	auto it = ostalo.lower_bound({sad, 0});
	while(it != ostalo.end() && trb > 0){
		if(it -> Y <= trb){
			trb -= it -> Y;
			del[it -> X] = mora[it -> X];
			it = ostalo.erase(it);
		}
		else{
			del[it -> X] -= trb;
			pii tmp = *it; 
			ostalo.erase(tmp);
			tmp.Y -= trb;
			ostalo.insert(tmp);
			return;
		}
	}
}

 
int main(){
	scanf("%d%d", &n, &m);
	for(int i = 1;i <= n;i++)
		scanf("%d%lld%d", A + i, S + i, P + i);
	for(int i = 1;i <= m;i++)
		scanf("%d%lld%d", B + i, T + i, Q + i);
	ll cur = 0; v.PB(cur);
	for(int i = 1;i <= m;i++)
		cur += B[i], v.PB(cur);
	cur = 0; v2.PB(cur);
	for(int i = 1;i <= n;i++){
		cur += A[i]; v2.PB(cur);
		if(S[i] < cur)
			P[i] = 0, S[i] = cur;
		SS[i] = upper_bound(v.begin(), v.end(), S[i] - cur) - v.begin() - 1;
	}
	cur = 0;
	for(int i = 1;i <= m;i++){
		cur += B[i];
		if(T[i] < cur)
			Q[i] = 0, T[i] = cur;
		TT[i] = upper_bound(v2.begin(), v2.end(), T[i] - cur) - v2.begin() - 1;
	}
	for(int i = m;i >= 1;i--){
		del[i] = Q[i], mora[i] = Q[i];
		if(TT[i]) 
			brisi[TT[i]].PB(i);
		else{
			mora[i] = 0;
		}
	}
	for(int i = m;i >= 1;i--){
		if(del[i] > mora[i]){
			ostalo.insert({i, del[i] - mora[i]});
		}
		if(del[i] < mora[i]){
			pocisti(i + 1, mora[i] - del[i]);
			del[i] = mora[i];
		}
	}
	//cur = 0;
	//for(int i = 1;i <= n;i++)
	//	printf("S[ %d ] = %d P[ %d ] = %d\n", i, SS[i], i, P[i]);
	//for(int i = 1;i <= m;i++)
	//	printf("T[ %d ] = %d Q[ %d ] = %d\n", i, TT[i], i, Q[i]);
	cur = 0;
	//for(int j = 0;j <= m;j++){
	//	cur += del[j];
	//	printf("%lld ", cur);
	//	if(j == m) printf("\n");
	//}
	//printf("OSTALO: \n"); for(pii tmp : ostalo) printf("%d %lld\n", tmp.X, tmp.Y);
	for(int i = 1;i <= n;i++){
		del[0] += P[i];
		del[SS[i] + 1] -= P[i];
		//printf("OSTALO: \n"); for(pii tmp : ostalo) printf("%d %lld\n", tmp.X, tmp.Y);
		if(mora[SS[i] + 1] > del[SS[i] + 1]){		
			pocisti(SS[i] + 2, mora[SS[i] + 1] - del[SS[i] + 1]);
			del[SS[i] + 1] = mora[SS[i] + 1];
		}
		if(del[SS[i] + 1] > mora[SS[i] + 1]){
			if(del[SS[i] + 1] + P[i] > mora[SS[i] + 1])
				ostalo.erase({SS[i] + 1, del[SS[i] + 1] + P[i] - mora[SS[i] + 1]});
			ostalo.insert({SS[i] + 1, del[SS[i] + 1] - mora[SS[i] + 1]});
		}
		//for(int j = 0;j <= m;j++)
		//	printf("mora[ %d ] = %lld , %lld\n", j, mora[j], del[j]);
		//ll cur = 0;
		//for(int j = 0;j <= m;j++){
		//	cur += del[j];
		//	printf("%lld ", cur);
		//	if(j == m) printf("\n");
		//}
		if(i == n){
			break;
		}
		for(int j : brisi[i]){
			//ll cur = 0;
			//for(int j = 0;j <= m;j++){
			//	cur += del[j];
			//	printf("%lld ", cur);
			//	if(j == m) printf("\n");
			//}
			mora[j] = 0;  //printf("cistim %d\n", j);
			if(del[j] > mora[j]){
				ostalo.insert({j, del[j]});
			}
			else{
				//printf("fkt cistim %lld\n", -del[j]);
				pocisti(j + 1, -del[j]);
				del[j] = 0;
			}
		}
		
		//for(int j = 0;j <= m;j++){
		//	printf("%lld ", del[j]);
		//	if(j == m) printf("\n");
		//}
	}
	//printf("----------\n");
	//for(int i = 0;i <= n;i++){
	//	for(int j = 0;j <= m;j++)
	//		printf("%lld ", f(i, j));
	//	printf("\n");
	//}
	ll ans = 0;
	for(int i = 0;i <= m;i++)
		ans += del[i];
	printf("%lld\n", ans);
	//printf("%lld %lld\n", ans, f(n, m));
}

Compilation message

dishes.cpp: In function 'int main()':
dishes.cpp:68:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
dishes.cpp:70:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%lld%d", A + i, S + i, P + i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:72:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%lld%d", B + i, T + i, Q + i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 380 ms 53088 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23936 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 14 ms 23808 KB Output is correct
4 Correct 14 ms 23808 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 15 ms 23808 KB Output is correct
7 Correct 15 ms 23808 KB Output is correct
8 Correct 14 ms 23808 KB Output is correct
9 Correct 15 ms 23808 KB Output is correct
10 Correct 15 ms 23808 KB Output is correct
11 Correct 14 ms 23808 KB Output is correct
12 Correct 16 ms 23808 KB Output is correct
13 Correct 15 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 14 ms 23808 KB Output is correct
16 Correct 16 ms 23808 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23936 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 14 ms 23808 KB Output is correct
4 Correct 14 ms 23808 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 15 ms 23808 KB Output is correct
7 Correct 15 ms 23808 KB Output is correct
8 Correct 14 ms 23808 KB Output is correct
9 Correct 15 ms 23808 KB Output is correct
10 Correct 15 ms 23808 KB Output is correct
11 Correct 14 ms 23808 KB Output is correct
12 Correct 16 ms 23808 KB Output is correct
13 Correct 15 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 14 ms 23808 KB Output is correct
16 Correct 16 ms 23808 KB Output is correct
17 Correct 16 ms 24064 KB Output is correct
18 Correct 17 ms 24064 KB Output is correct
19 Incorrect 17 ms 24064 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23936 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 14 ms 23808 KB Output is correct
4 Correct 14 ms 23808 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 15 ms 23808 KB Output is correct
7 Correct 15 ms 23808 KB Output is correct
8 Correct 14 ms 23808 KB Output is correct
9 Correct 15 ms 23808 KB Output is correct
10 Correct 15 ms 23808 KB Output is correct
11 Correct 14 ms 23808 KB Output is correct
12 Correct 16 ms 23808 KB Output is correct
13 Correct 15 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 14 ms 23808 KB Output is correct
16 Correct 16 ms 23808 KB Output is correct
17 Correct 16 ms 24064 KB Output is correct
18 Correct 17 ms 24064 KB Output is correct
19 Incorrect 17 ms 24064 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23936 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 14 ms 23808 KB Output is correct
4 Correct 14 ms 23808 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 15 ms 23808 KB Output is correct
7 Correct 15 ms 23808 KB Output is correct
8 Correct 14 ms 23808 KB Output is correct
9 Correct 15 ms 23808 KB Output is correct
10 Correct 15 ms 23808 KB Output is correct
11 Correct 14 ms 23808 KB Output is correct
12 Correct 16 ms 23808 KB Output is correct
13 Correct 15 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 14 ms 23808 KB Output is correct
16 Correct 16 ms 23808 KB Output is correct
17 Correct 16 ms 24064 KB Output is correct
18 Correct 17 ms 24064 KB Output is correct
19 Incorrect 17 ms 24064 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23936 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 14 ms 23808 KB Output is correct
4 Correct 14 ms 23808 KB Output is correct
5 Correct 15 ms 23808 KB Output is correct
6 Correct 15 ms 23808 KB Output is correct
7 Correct 15 ms 23808 KB Output is correct
8 Correct 14 ms 23808 KB Output is correct
9 Correct 15 ms 23808 KB Output is correct
10 Correct 15 ms 23808 KB Output is correct
11 Correct 14 ms 23808 KB Output is correct
12 Correct 16 ms 23808 KB Output is correct
13 Correct 15 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 14 ms 23808 KB Output is correct
16 Correct 16 ms 23808 KB Output is correct
17 Correct 16 ms 24064 KB Output is correct
18 Correct 17 ms 24064 KB Output is correct
19 Incorrect 17 ms 24064 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #7
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 380 ms 53088 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 380 ms 53088 KB Output isn't correct
2 Halted 0 ms 0 KB -