oj.uz

Submission #902552

# Submission time Handle Problem Language Result Execution time Memory
902552 2024-01-10T16:59:10 Z jay_jayjay Coin Collecting (JOI19_ho_t4) C++17
100 / 100
 54 ms 7752 KB 
// {{{1
extern "C" int __lsan_is_turned_off() { return 1; }
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define inf 0x3f3f3f3f
#define infl 0x3f3f3f3f3f3f3f3fll

#include <assert.h>
#ifdef DEBUG
#define dprintf(args...) fprintf(stderr,args)
#endif
#ifndef DEBUG
#define dprintf(args...) 69
#endif
#define all(x) (x).begin(), (x).end()
// 1}}}

void chmin(ll& x, ll y) { x=min(x,y); }

int dist(array<int,2> a, array<int,2> b) { return abs(a[0]-b[0])+abs(a[1]-b[1]); }

int main()
{
        int n;scanf("%d",&n);

        vector<array<int,2>> coins(2*n);
        for(auto&[x,y]:coins)scanf("%d%d",&x,&y);

        ll tot=0;
        for(auto&[x,y]:coins) {
                //printf("%d, %d -> ",x,y);
                if(y < 1) tot += 1-y, y=1;
                if(y > 2) tot += y-2, y=2;

                if(x < 1) tot += 1-x, x=1;
                if(x > n) tot += x-n, x=n;
                //printf("%d, %d\n",x,y);
        }

        vector f(2, vector<int>(n));

        for(auto&[x,y]:coins) f[y-1][x-1]++;
        for(int y=0;y<2;y++)
                for(int x=0;x<n;x++) f[y][x]--;

        //dprintf("%lld\n",tot);
        //for(int y=0;y<2;y++) {
                //for(int x=0;x<n;x++) {
                        //dprintf("%d ",f[y][x]);
                //}
                //dprintf("\n");
        //}
        // moving a (1/-1) incurs 1 cost
        for(int x=0;x<n-1;x++) {
                if(f[0][x] < 0 && f[1][x] > 0) {
                        int del = f[0][x]+f[1][x];
                        if(del<=0)tot+=f[1][x],f[0][x]=del,f[1][x]=0;
                        else tot+=-f[0][x],f[0][x]=0,f[1][x]=del;
                }
                if(f[0][x] > 0 && f[1][x] < 0) {
                        int del = f[0][x]+f[1][x];
                        if(del<=0)tot+=f[0][x],f[0][x]=0,f[1][x]=del;
                        else tot+=-f[1][x],f[0][x]=del,f[1][x]=0;
                }

                //dprintf("x=%d: %lld\n",x,tot);
                tot += abs(f[0][x])+abs(f[1][x]);
                f[0][x+1] += f[0][x];
                f[1][x+1] += f[1][x];
                f[0][x]=f[1][x]=0;
                //dprintf("x=%d: %lld\n",x,tot);
                //for(int y=0;y<2;y++) {
                        //for(int x=0;x<n;x++) {
                                //dprintf("%d ",f[y][x]);
                        //}
                        //dprintf("\n");
                //}
        }
        tot += abs(f[0][n-1]);
        printf("%lld\n",tot);
}

Compilation message

joi2019_ho_t4.cpp: In function 'int main()':
joi2019_ho_t4.cpp:26:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |         int n;scanf("%d",&n);
      |               ~~~~~^~~~~~~~~
joi2019_ho_t4.cpp:29:35: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |         for(auto&[x,y]:coins)scanf("%d%d",&x,&y);
      |                              ~~~~~^~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 352 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 352 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 440 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 440 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 352 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 352 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 440 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 440 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 480 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 480 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 456 KB Output is correct
46 Correct 1 ms 352 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 476 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 420 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 1 ms 352 KB Output is correct
64 Correct 1 ms 356 KB Output is correct

Subtask #3
63.0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 352 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 352 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 440 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 440 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 480 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 480 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 344 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 456 KB Output is correct
46 Correct 1 ms 352 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 476 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 420 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 1 ms 352 KB Output is correct
64 Correct 1 ms 356 KB Output is correct
65 Correct 25 ms 4708 KB Output is correct
66 Correct 35 ms 7752 KB Output is correct
67 Correct 32 ms 6236 KB Output is correct
68 Correct 32 ms 6228 KB Output is correct
69 Correct 35 ms 6144 KB Output is correct
70 Correct 34 ms 6332 KB Output is correct
71 Correct 33 ms 6200 KB Output is correct
72 Correct 34 ms 6224 KB Output is correct
73 Correct 32 ms 6236 KB Output is correct
74 Correct 32 ms 6340 KB Output is correct
75 Correct 33 ms 6224 KB Output is correct
76 Correct 32 ms 6228 KB Output is correct
77 Correct 37 ms 6224 KB Output is correct
78 Correct 32 ms 6244 KB Output is correct
79 Correct 32 ms 6224 KB Output is correct
80 Correct 31 ms 6228 KB Output is correct
81 Correct 35 ms 6340 KB Output is correct
82 Correct 32 ms 6328 KB Output is correct
83 Correct 33 ms 6212 KB Output is correct
84 Correct 37 ms 6224 KB Output is correct
85 Correct 32 ms 6232 KB Output is correct
86 Correct 32 ms 6328 KB Output is correct
87 Correct 32 ms 6344 KB Output is correct
88 Correct 32 ms 6236 KB Output is correct
89 Correct 32 ms 6336 KB Output is correct
90 Correct 32 ms 6332 KB Output is correct
91 Correct 32 ms 6224 KB Output is correct
92 Correct 32 ms 6228 KB Output is correct
93 Correct 32 ms 6232 KB Output is correct
94 Correct 30 ms 6072 KB Output is correct
95 Correct 29 ms 6212 KB Output is correct
96 Correct 31 ms 6480 KB Output is correct
97 Correct 32 ms 6224 KB Output is correct
98 Correct 32 ms 6336 KB Output is correct
99 Correct 32 ms 6216 KB Output is correct
100 Correct 39 ms 6228 KB Output is correct
101 Correct 32 ms 6208 KB Output is correct
102 Correct 54 ms 6220 KB Output is correct
103 Correct 32 ms 6224 KB Output is correct