oj.uz

답안 #246868

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
246868 2020-07-10T12:48:28 Z sealnot123 Two Dishes (JOI19_dishes) C++14
82 / 100
 10000 ms 214008 KB 
#include<bits/stdc++.h>
#define x first
#define y second
#define pb push_back
#define eb emplace_back
#define all(a) (a).begin(),(a).end()
#define SZ(a) (int)(a).size()
#define FOR(i, a, b) for(int i=(a); i<=(b); ++i)
#define iFOR(i, a, b) for(int i=(a); i>=(b); --i)
#define make_unique(a) sort(all((a))), (a).resize(unique(all((a)))-(a).begin())

using namespace std;

typedef pair<int,int> PII;
typedef long long LL;
typedef double DD;
typedef long double LD;
typedef pair<LL,LL> PLL;
typedef pair<DD,DD> PDD;
typedef vector<int> VI;
typedef vector<LL> VL;

const LL inf = 1e18;
const int N = 1000005;
int n, m;
LL seg[N<<2], lazy[N<<2], label[N<<2];
void push_add(int l, int r, int nw){
    if(lazy[nw] == 0) return ;
    seg[nw] += lazy[nw];
    if(l != r){
        lazy[nw<<1] += lazy[nw], lazy[nw<<1|1] += lazy[nw];
    }
    lazy[nw] = 0;
}
void push_label(int l, int r, int nw){
    if(label[nw] == inf) return ;
    seg[nw] = label[nw];
    if(l != r){
        lazy[nw<<1] = lazy[nw<<1|1] = 0;
        label[nw<<1] = label[nw<<1|1] = label[nw];
    }
    label[nw] = inf;
}
void paste(int ll, int rr, LL v, int l = 0, int r = n, int nw = 1){
    push_label(l, r, nw);
    push_add(l, r, nw);
    if(ll > rr || l > rr || r < ll) return ;
    if(l >= ll && r <= rr){
        label[nw] = v;
        push_label(l, r, nw); 
        push_add(l, r, nw);
        return ;
    }
    int m = (l+r)>>1;
    paste(ll, rr, v, l, m, nw<<1);
    paste(ll, rr, v, m+1, r, nw<<1|1);
    seg[nw] = max(seg[nw<<1], seg[nw<<1|1]);
}
void add(int ll, int rr, LL v, int l = 0, int r = n, int nw = 1){
    push_label(l, r, nw);
    push_add(l, r, nw);
    if(l > r || ll > rr || l > rr || r < ll) return ;
    if(l >= ll && r <= rr){
        lazy[nw] = v;
        push_label(l, r, nw);
        push_add(l, r, nw);
        return ;
    }
    int m = (l+r)>>1;
    add(ll, rr, v, l, m, nw<<1);
    add(ll, rr, v, m+1, r, nw<<1|1);
    seg[nw] = max(seg[nw<<1], seg[nw<<1|1]);
}
int search(int ll, int rr, LL v, int l = 0, int r = n, int nw = 1){
    push_label(l, r, nw);
    push_add(l, r, nw);
    if(l > r || ll > rr || l > rr || r < ll) return 1<<30;
    if(l == r){
        if(seg[nw] >= v) return l;
        return 1<<30;
    }
    int m = (l+r)>>1;
    if(l >= ll && r <= rr){
        push_label(l, m, nw<<1);
        push_add(l, m, nw<<1);
        if(seg[nw<<1] >= v) return search(ll, rr, v, l, m, nw<<1);
        return search(ll, rr, v, m+1, r, nw<<1|1);
    }
    return min( search(ll, rr, v, l, m, nw<<1), search(ll, rr, v, m+1, r, nw<<1|1));
}
LL get(int idx, int l = 0, int r = n, int nw = 1){
    push_label(l, r, nw);
    push_add(l, r, nw);
    if(l == r) return seg[nw];
    int m = (l+r)>>1;
    if(idx <= m) return get(idx, l, m, nw<<1);
    return get(idx, m+1, r, nw<<1|1);
}

LL A[N], B[N];
LL S[N], T[N];
LL P[N], Q[N];
vector< PLL > sweep[N];

int main(){
    scanf("%d %d",&n,&m);
    FOR(i, 1, n) scanf("%lld %lld %lld",&A[i],&S[i],&P[i]), A[i] += A[i-1];
    FOR(i, 1, m) scanf("%lld %lld %lld",&B[i],&T[i],&Q[i]), B[i] += B[i-1];
    FOR(i, 1, (n+1)<<2) label[i] = inf;
    FOR(i, 1, n){
        int pA = upper_bound(B, B+1+m, S[i]-A[i]) - B - 1;
        if(pA == -1) continue;
        sweep[pA+1].pb(PLL(i-1, P[i]));
    }
    //seg.print(); puts("");
    FOR(i, 1, m){
        int pB = upper_bound(A, A+1+n, T[i]-B[i]) - A - 1;
        if(pB != -1) add(0, pB, Q[i]), sweep[i].pb( PLL(pB, 0) );
        //printf("#"); seg.print(); puts("");
        sweep[i].pb( PLL(n, 0) );
        sort( all( sweep[i] ) );
        //printf("sweep: "); for(PLL e : sweep[i]) printf("(%lld, %lld) ",e.x,e.y);
        //puts("");
        FOR(j, 0, SZ(sweep[i])-2){
            int now = sweep[i][j].x;
            LL upd = sweep[i][j].y;
            int nxt = sweep[i][j+1].x;
            add(now+1, n, upd);
            // printf("##"); seg.print(); puts("");
            if(now == nxt) continue;
            LL value = get(now);
            int stop_point = search(now+1, nxt, value);
            //printf("j %d (%d, %d) %lld stop = %d\n",j,now,nxt,value,stop_point);
            paste(now+1, min(stop_point-1, nxt), value);
        }
        sweep[i].clear();
        //seg.print(); puts("");
    }
    //puts("");
    for(PLL e : sweep[m+1]) add(e.x+1, n, e.y);
    printf("%lld",get(n));
	return 0;
}
/*
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

Compilation message

dishes.cpp: In function 'int main()':
dishes.cpp:106:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
dishes.cpp:107:59: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     FOR(i, 1, n) scanf("%lld %lld %lld",&A[i],&S[i],&P[i]), A[i] += A[i-1];
                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
dishes.cpp:108:59: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     FOR(i, 1, m) scanf("%lld %lld %lld",&B[i],&T[i],&Q[i]), B[i] += B[i-1];
                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 705 ms 62296 KB Output is correct
2 Correct 621 ms 63344 KB Output is correct
3 Correct 448 ms 61660 KB Output is correct
4 Correct 526 ms 57896 KB Output is correct
5 Correct 19 ms 23936 KB Output is correct
6 Correct 560 ms 62196 KB Output is correct
7 Correct 149 ms 39032 KB Output is correct
8 Correct 189 ms 47836 KB Output is correct
9 Correct 315 ms 61788 KB Output is correct
10 Correct 575 ms 64888 KB Output is correct
11 Correct 264 ms 61532 KB Output is correct

Subtask #2
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 23808 KB Output is correct
2 Correct 19 ms 23808 KB Output is correct
3 Correct 19 ms 23936 KB Output is correct
4 Correct 18 ms 23936 KB Output is correct
5 Correct 18 ms 23936 KB Output is correct
6 Correct 19 ms 23808 KB Output is correct
7 Correct 19 ms 23936 KB Output is correct
8 Correct 20 ms 23808 KB Output is correct
9 Correct 19 ms 23936 KB Output is correct
10 Correct 18 ms 23936 KB Output is correct
11 Correct 18 ms 23936 KB Output is correct
12 Correct 19 ms 23936 KB Output is correct
13 Correct 20 ms 23808 KB Output is correct
14 Correct 19 ms 23936 KB Output is correct
15 Correct 18 ms 23808 KB Output is correct
16 Correct 19 ms 23936 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 23808 KB Output is correct
2 Correct 19 ms 23808 KB Output is correct
3 Correct 19 ms 23936 KB Output is correct
4 Correct 18 ms 23936 KB Output is correct
5 Correct 18 ms 23936 KB Output is correct
6 Correct 19 ms 23808 KB Output is correct
7 Correct 19 ms 23936 KB Output is correct
8 Correct 20 ms 23808 KB Output is correct
9 Correct 19 ms 23936 KB Output is correct
10 Correct 18 ms 23936 KB Output is correct
11 Correct 18 ms 23936 KB Output is correct
12 Correct 19 ms 23936 KB Output is correct
13 Correct 20 ms 23808 KB Output is correct
14 Correct 19 ms 23936 KB Output is correct
15 Correct 18 ms 23808 KB Output is correct
16 Correct 19 ms 23936 KB Output is correct
17 Correct 23 ms 24320 KB Output is correct
18 Correct 23 ms 24320 KB Output is correct
19 Correct 28 ms 24320 KB Output is correct
20 Correct 23 ms 24320 KB Output is correct
21 Correct 25 ms 24320 KB Output is correct
22 Correct 25 ms 24320 KB Output is correct
23 Correct 25 ms 24320 KB Output is correct

Subtask #4
39.0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 23808 KB Output is correct
2 Correct 19 ms 23808 KB Output is correct
3 Correct 19 ms 23936 KB Output is correct
4 Correct 18 ms 23936 KB Output is correct
5 Correct 18 ms 23936 KB Output is correct
6 Correct 19 ms 23808 KB Output is correct
7 Correct 19 ms 23936 KB Output is correct
8 Correct 20 ms 23808 KB Output is correct
9 Correct 19 ms 23936 KB Output is correct
10 Correct 18 ms 23936 KB Output is correct
11 Correct 18 ms 23936 KB Output is correct
12 Correct 19 ms 23936 KB Output is correct
13 Correct 20 ms 23808 KB Output is correct
14 Correct 19 ms 23936 KB Output is correct
15 Correct 18 ms 23808 KB Output is correct
16 Correct 19 ms 23936 KB Output is correct
17 Correct 23 ms 24320 KB Output is correct
18 Correct 23 ms 24320 KB Output is correct
19 Correct 28 ms 24320 KB Output is correct
20 Correct 23 ms 24320 KB Output is correct
21 Correct 25 ms 24320 KB Output is correct
22 Correct 25 ms 24320 KB Output is correct
23 Correct 25 ms 24320 KB Output is correct
24 Correct 371 ms 59996 KB Output is correct
25 Correct 661 ms 59876 KB Output is correct
26 Correct 498 ms 61560 KB Output is correct
27 Correct 623 ms 60004 KB Output is correct
28 Correct 718 ms 61540 KB Output is correct
29 Correct 288 ms 61404 KB Output is correct
30 Correct 1674 ms 63976 KB Output is correct
31 Correct 156 ms 39160 KB Output is correct
32 Correct 214 ms 47504 KB Output is correct
33 Correct 891 ms 58616 KB Output is correct
34 Correct 1230 ms 62732 KB Output is correct
35 Correct 1678 ms 64076 KB Output is correct
36 Correct 1495 ms 63896 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 23808 KB Output is correct
2 Correct 19 ms 23808 KB Output is correct
3 Correct 19 ms 23936 KB Output is correct
4 Correct 18 ms 23936 KB Output is correct
5 Correct 18 ms 23936 KB Output is correct
6 Correct 19 ms 23808 KB Output is correct
7 Correct 19 ms 23936 KB Output is correct
8 Correct 20 ms 23808 KB Output is correct
9 Correct 19 ms 23936 KB Output is correct
10 Correct 18 ms 23936 KB Output is correct
11 Correct 18 ms 23936 KB Output is correct
12 Correct 19 ms 23936 KB Output is correct
13 Correct 20 ms 23808 KB Output is correct
14 Correct 19 ms 23936 KB Output is correct
15 Correct 18 ms 23808 KB Output is correct
16 Correct 19 ms 23936 KB Output is correct
17 Correct 23 ms 24320 KB Output is correct
18 Correct 23 ms 24320 KB Output is correct
19 Correct 28 ms 24320 KB Output is correct
20 Correct 23 ms 24320 KB Output is correct
21 Correct 25 ms 24320 KB Output is correct
22 Correct 25 ms 24320 KB Output is correct
23 Correct 25 ms 24320 KB Output is correct
24 Correct 371 ms 59996 KB Output is correct
25 Correct 661 ms 59876 KB Output is correct
26 Correct 498 ms 61560 KB Output is correct
27 Correct 623 ms 60004 KB Output is correct
28 Correct 718 ms 61540 KB Output is correct
29 Correct 288 ms 61404 KB Output is correct
30 Correct 1674 ms 63976 KB Output is correct
31 Correct 156 ms 39160 KB Output is correct
32 Correct 214 ms 47504 KB Output is correct
33 Correct 891 ms 58616 KB Output is correct
34 Correct 1230 ms 62732 KB Output is correct
35 Correct 1678 ms 64076 KB Output is correct
36 Correct 1495 ms 63896 KB Output is correct
37 Correct 555 ms 61468 KB Output is correct
38 Correct 669 ms 59876 KB Output is correct
39 Correct 750 ms 64504 KB Output is correct
40 Correct 620 ms 64504 KB Output is correct
41 Correct 18 ms 23808 KB Output is correct
42 Correct 1637 ms 64176 KB Output is correct
43 Correct 921 ms 58600 KB Output is correct
44 Correct 1239 ms 62572 KB Output is correct
45 Correct 1778 ms 64152 KB Output is correct

Subtask #6
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 23808 KB Output is correct
2 Correct 19 ms 23808 KB Output is correct
3 Correct 19 ms 23936 KB Output is correct
4 Correct 18 ms 23936 KB Output is correct
5 Correct 18 ms 23936 KB Output is correct
6 Correct 19 ms 23808 KB Output is correct
7 Correct 19 ms 23936 KB Output is correct
8 Correct 20 ms 23808 KB Output is correct
9 Correct 19 ms 23936 KB Output is correct
10 Correct 18 ms 23936 KB Output is correct
11 Correct 18 ms 23936 KB Output is correct
12 Correct 19 ms 23936 KB Output is correct
13 Correct 20 ms 23808 KB Output is correct
14 Correct 19 ms 23936 KB Output is correct
15 Correct 18 ms 23808 KB Output is correct
16 Correct 19 ms 23936 KB Output is correct
17 Correct 23 ms 24320 KB Output is correct
18 Correct 23 ms 24320 KB Output is correct
19 Correct 28 ms 24320 KB Output is correct
20 Correct 23 ms 24320 KB Output is correct
21 Correct 25 ms 24320 KB Output is correct
22 Correct 25 ms 24320 KB Output is correct
23 Correct 25 ms 24320 KB Output is correct
24 Correct 371 ms 59996 KB Output is correct
25 Correct 661 ms 59876 KB Output is correct
26 Correct 498 ms 61560 KB Output is correct
27 Correct 623 ms 60004 KB Output is correct
28 Correct 718 ms 61540 KB Output is correct
29 Correct 288 ms 61404 KB Output is correct
30 Correct 1674 ms 63976 KB Output is correct
31 Correct 156 ms 39160 KB Output is correct
32 Correct 214 ms 47504 KB Output is correct
33 Correct 891 ms 58616 KB Output is correct
34 Correct 1230 ms 62732 KB Output is correct
35 Correct 1678 ms 64076 KB Output is correct
36 Correct 1495 ms 63896 KB Output is correct
37 Correct 555 ms 61468 KB Output is correct
38 Correct 669 ms 59876 KB Output is correct
39 Correct 750 ms 64504 KB Output is correct
40 Correct 620 ms 64504 KB Output is correct
41 Correct 18 ms 23808 KB Output is correct
42 Correct 1637 ms 64176 KB Output is correct
43 Correct 921 ms 58600 KB Output is correct
44 Correct 1239 ms 62572 KB Output is correct
45 Correct 1778 ms 64152 KB Output is correct
46 Correct 2776 ms 198176 KB Output is correct
47 Correct 3432 ms 189904 KB Output is correct
48 Correct 4168 ms 214008 KB Output is correct
49 Correct 3115 ms 213784 KB Output is correct
50 Execution timed out 10040 ms 201560 KB Time limit exceeded
51 Halted 0 ms 0 KB -

Subtask #7
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 705 ms 62296 KB Output is correct
2 Correct 621 ms 63344 KB Output is correct
3 Correct 448 ms 61660 KB Output is correct
4 Correct 526 ms 57896 KB Output is correct
5 Correct 19 ms 23936 KB Output is correct
6 Correct 560 ms 62196 KB Output is correct
7 Correct 149 ms 39032 KB Output is correct
8 Correct 189 ms 47836 KB Output is correct
9 Correct 315 ms 61788 KB Output is correct
10 Correct 575 ms 64888 KB Output is correct
11 Correct 264 ms 61532 KB Output is correct
12 Correct 19 ms 23808 KB Output is correct
13 Correct 19 ms 23808 KB Output is correct
14 Correct 19 ms 23936 KB Output is correct
15 Correct 18 ms 23936 KB Output is correct
16 Correct 18 ms 23936 KB Output is correct
17 Correct 19 ms 23808 KB Output is correct
18 Correct 19 ms 23936 KB Output is correct
19 Correct 20 ms 23808 KB Output is correct
20 Correct 19 ms 23936 KB Output is correct
21 Correct 18 ms 23936 KB Output is correct
22 Correct 18 ms 23936 KB Output is correct
23 Correct 19 ms 23936 KB Output is correct
24 Correct 20 ms 23808 KB Output is correct
25 Correct 19 ms 23936 KB Output is correct
26 Correct 18 ms 23808 KB Output is correct
27 Correct 19 ms 23936 KB Output is correct
28 Correct 23 ms 24320 KB Output is correct
29 Correct 23 ms 24320 KB Output is correct
30 Correct 28 ms 24320 KB Output is correct
31 Correct 23 ms 24320 KB Output is correct
32 Correct 25 ms 24320 KB Output is correct
33 Correct 25 ms 24320 KB Output is correct
34 Correct 25 ms 24320 KB Output is correct
35 Correct 371 ms 59996 KB Output is correct
36 Correct 661 ms 59876 KB Output is correct
37 Correct 498 ms 61560 KB Output is correct
38 Correct 623 ms 60004 KB Output is correct
39 Correct 718 ms 61540 KB Output is correct
40 Correct 288 ms 61404 KB Output is correct
41 Correct 1674 ms 63976 KB Output is correct
42 Correct 156 ms 39160 KB Output is correct
43 Correct 214 ms 47504 KB Output is correct
44 Correct 891 ms 58616 KB Output is correct
45 Correct 1230 ms 62732 KB Output is correct
46 Correct 1678 ms 64076 KB Output is correct
47 Correct 1495 ms 63896 KB Output is correct
48 Correct 555 ms 61468 KB Output is correct
49 Correct 669 ms 59876 KB Output is correct
50 Correct 750 ms 64504 KB Output is correct
51 Correct 620 ms 64504 KB Output is correct
52 Correct 18 ms 23808 KB Output is correct
53 Correct 1637 ms 64176 KB Output is correct
54 Correct 921 ms 58600 KB Output is correct
55 Correct 1239 ms 62572 KB Output is correct
56 Correct 1778 ms 64152 KB Output is correct
57 Correct 632 ms 60920 KB Output is correct
58 Correct 606 ms 59496 KB Output is correct
59 Correct 601 ms 64092 KB Output is correct
60 Correct 757 ms 64064 KB Output is correct
61 Correct 1587 ms 61480 KB Output is correct
62 Correct 19 ms 23936 KB Output is correct
63 Correct 1605 ms 63420 KB Output is correct
64 Correct 948 ms 58156 KB Output is correct
65 Correct 1219 ms 62200 KB Output is correct
66 Correct 1540 ms 63336 KB Output is correct

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 705 ms 62296 KB Output is correct
2 Correct 621 ms 63344 KB Output is correct
3 Correct 448 ms 61660 KB Output is correct
4 Correct 526 ms 57896 KB Output is correct
5 Correct 19 ms 23936 KB Output is correct
6 Correct 560 ms 62196 KB Output is correct
7 Correct 149 ms 39032 KB Output is correct
8 Correct 189 ms 47836 KB Output is correct
9 Correct 315 ms 61788 KB Output is correct
10 Correct 575 ms 64888 KB Output is correct
11 Correct 264 ms 61532 KB Output is correct
12 Correct 19 ms 23808 KB Output is correct
13 Correct 19 ms 23808 KB Output is correct
14 Correct 19 ms 23936 KB Output is correct
15 Correct 18 ms 23936 KB Output is correct
16 Correct 18 ms 23936 KB Output is correct
17 Correct 19 ms 23808 KB Output is correct
18 Correct 19 ms 23936 KB Output is correct
19 Correct 20 ms 23808 KB Output is correct
20 Correct 19 ms 23936 KB Output is correct
21 Correct 18 ms 23936 KB Output is correct
22 Correct 18 ms 23936 KB Output is correct
23 Correct 19 ms 23936 KB Output is correct
24 Correct 20 ms 23808 KB Output is correct
25 Correct 19 ms 23936 KB Output is correct
26 Correct 18 ms 23808 KB Output is correct
27 Correct 19 ms 23936 KB Output is correct
28 Correct 23 ms 24320 KB Output is correct
29 Correct 23 ms 24320 KB Output is correct
30 Correct 28 ms 24320 KB Output is correct
31 Correct 23 ms 24320 KB Output is correct
32 Correct 25 ms 24320 KB Output is correct
33 Correct 25 ms 24320 KB Output is correct
34 Correct 25 ms 24320 KB Output is correct
35 Correct 371 ms 59996 KB Output is correct
36 Correct 661 ms 59876 KB Output is correct
37 Correct 498 ms 61560 KB Output is correct
38 Correct 623 ms 60004 KB Output is correct
39 Correct 718 ms 61540 KB Output is correct
40 Correct 288 ms 61404 KB Output is correct
41 Correct 1674 ms 63976 KB Output is correct
42 Correct 156 ms 39160 KB Output is correct
43 Correct 214 ms 47504 KB Output is correct
44 Correct 891 ms 58616 KB Output is correct
45 Correct 1230 ms 62732 KB Output is correct
46 Correct 1678 ms 64076 KB Output is correct
47 Correct 1495 ms 63896 KB Output is correct
48 Correct 555 ms 61468 KB Output is correct
49 Correct 669 ms 59876 KB Output is correct
50 Correct 750 ms 64504 KB Output is correct
51 Correct 620 ms 64504 KB Output is correct
52 Correct 18 ms 23808 KB Output is correct
53 Correct 1637 ms 64176 KB Output is correct
54 Correct 921 ms 58600 KB Output is correct
55 Correct 1239 ms 62572 KB Output is correct
56 Correct 1778 ms 64152 KB Output is correct
57 Correct 2776 ms 198176 KB Output is correct
58 Correct 3432 ms 189904 KB Output is correct
59 Correct 4168 ms 214008 KB Output is correct
60 Correct 3115 ms 213784 KB Output is correct
61 Execution timed out 10040 ms 201560 KB Time limit exceeded
62 Halted 0 ms 0 KB -