oj.uz

Submission #677932

# Submission time Handle Problem Language Result Execution time Memory
677932 2023-01-04T16:42:37 Z qwerasdfzxcl Remittance (JOI19_remittance) C++17
100 / 100
 642 ms 28096 KB 
#include <bits/stdc++.h>

typedef long long ll;
using namespace std;
constexpr int INF = 1e9+100;
int n;

void NO(){
    printf("No\n");
    exit(0);
}

int s[2002000];
void add(ll x, int p){
    for (int i=0;i<60;i++) if (x&(1LL<<i)){
        s[p+i]++;
    }

    for (int i=p;;i++){
        if (s[i] > 1){
            s[i+1] += s[i]/2;
            s[i] %= 2;
        }

        else if (i-p > 60) break;
    }

    //for (int i=100;i>=0;i--) printf("%d", s[i]);
    //printf("\n");
}

ll getq(vector<int> a, vector<int> b){
    for (int i=0;i<n;i++){
        ll x = (ll)a[i] - b[i] + INF;
        add(x, i);
    }

    ll tmp = 0;
    for (int j=0;j<40;j++){
        //printf("%d -> %d\n", j+n, s[j+n]);
        if (s[j+n]) tmp |= 1LL<<j;
    }
    //printf("%lld\n", tmp);
    add(tmp+1, 0);

    //printf("ok\n");
    for (int i=0;i<n;i++) if (s[i]) return -1;
    //printf("ok\n");
    return tmp+1 - INF;
}

void naive(vector<int> a, vector<int> b){
    ll q;
    for (int i=0;i<n;i++){
        if (!i){
            ll aS = 0, bS = 0;
            for (int j=0;j<n;j++){
                aS += (ll)a[j] * (1LL<<j);
                bS += (ll)b[j] * (1LL<<j);
            }

            if (aS!=0 && bS==0) NO();
            if (aS < bS) NO();
            if ((aS - bS) % ((1LL<<n)-1) != 0) NO();

            q = (aS-bS) / ((1LL<<n)-1);
        }

        else q = (q+a[i-1]-b[i-1])/2;

        if (q<0) NO();

        //rotate(a.begin(), a.begin()+1, a.end());
        //rotate(b.begin(), b.begin()+1, b.end());
    }

    printf("Yes\n");
    exit(0);
}

int main(){
    scanf("%d", &n);
    vector<int> a, b;
    int aa = 0, bb = 0;
    for (int i=0;i<n;i++){
        int x, y;
        scanf("%d %d", &x, &y);
        a.push_back(x);
        b.push_back(y);

        bb |= y;
        aa |= x;
    }

    if (n<=40) naive(a, b);

    if (aa && bb==0) NO();

    ll q;
    for (int i=0;i<n;i++){
        if (!i){
            q = getq(a, b);
            if (q<0) NO();
        }

        else q = (q+a[i-1]-b[i-1])/2;

        //printf("%lld\n", q);
        if (q<0) NO();

        //rotate(a.begin(), a.begin()+1, a.end());
        //rotate(b.begin(), b.begin()+1, b.end());
    }

    printf("Yes\n");
    return 0;
}

Compilation message

remittance.cpp: In function 'int main()':
remittance.cpp:82:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
remittance.cpp:87:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |         scanf("%d %d", &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 220 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 220 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 232 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 220 KB Output is correct
60 Correct 1 ms 220 KB Output is correct
61 Correct 0 ms 220 KB Output is correct
62 Correct 1 ms 220 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 220 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 232 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 220 KB Output is correct
60 Correct 1 ms 220 KB Output is correct
61 Correct 0 ms 220 KB Output is correct
62 Correct 1 ms 220 KB Output is correct
63 Correct 642 ms 20084 KB Output is correct
64 Correct 317 ms 20012 KB Output is correct
65 Correct 615 ms 20084 KB Output is correct
66 Correct 309 ms 20040 KB Output is correct
67 Correct 331 ms 20088 KB Output is correct
68 Correct 328 ms 19984 KB Output is correct
69 Correct 625 ms 19984 KB Output is correct
70 Correct 287 ms 19988 KB Output is correct
71 Correct 294 ms 20132 KB Output is correct
72 Correct 327 ms 20024 KB Output is correct
73 Correct 543 ms 20048 KB Output is correct
74 Correct 276 ms 20168 KB Output is correct
75 Correct 301 ms 20036 KB Output is correct
76 Correct 382 ms 20060 KB Output is correct
77 Correct 561 ms 20128 KB Output is correct
78 Correct 171 ms 8340 KB Output is correct
79 Correct 170 ms 8348 KB Output is correct
80 Correct 526 ms 20028 KB Output is correct
81 Correct 518 ms 20116 KB Output is correct
82 Correct 146 ms 8308 KB Output is correct
83 Correct 251 ms 20052 KB Output is correct
84 Correct 265 ms 20060 KB Output is correct
85 Correct 553 ms 20448 KB Output is correct
86 Correct 542 ms 20512 KB Output is correct
87 Correct 179 ms 16276 KB Output is correct
88 Correct 305 ms 28096 KB Output is correct