oj.uz

Submission #773783

# Submission time Handle Problem Language Result Execution time Memory
773783 2023-07-05T08:28:55 Z CyberCow Remittance (JOI19_remittance) C++17
100 / 100
 612 ms 16076 KB 
//#include <bits/stdc++.h>
#include <random>
#include <algorithm>
#include <bitset>
#include <chrono>
#include <cmath>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <map>
#include <queue>
#include <set>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <chrono>
#define fr first
#define sc second
#define ad push_back
using namespace std;
using ll = long long;
mt19937 rnd(348502);
const int N = 1000005;
ll a[N], b[N];

void solve()
{
    ll n, i, j, x, y, gum1 = 0, gum = 0;
    cin >> n;
    for (i = 1; i <= n; i++)
    {
        cin >> a[i] >> b[i];
        gum += a[i];
        gum1 += b[i];
    }
    i = 0;
    int st = 0, qan = 0;
    while (1)
    {
        qan++;
        i++;
        if (i == n + 1)
        {
            int st = 1;
            for ( j = 1; j <= n; j++)
            {
                if (a[j] != b[j])
                    st = 0;
            }
            if (st)
            {
                cout << "Yes";
                return;
            }
            i = 1;
        }
        if (i < n)
        {
            if (a[i] > b[i])
            {
                if (a[i] - (a[i] - b[i] + 1) / 2 * 2 >= 0)
                {
                    gum -= (a[i] - b[i] + 1) / 2 * 2;
                    gum += (a[i] - b[i] + 1) / 2;
                    a[i + 1] += (a[i] - b[i] + 1) / 2;
                    a[i] -= (a[i] - b[i] + 1) / 2 * 2;
                }
                else
                {
                    gum -= (a[i] - b[i] + 1) / 2 * 2 - 2;
                    gum += (a[i] - b[i] + 1) / 2 - 1;
                    a[i + 1] += (a[i] - b[i] + 1) / 2 - 1;
                    a[i] -= (a[i] - b[i] + 1) / 2 * 2 - 2;
                }
            }
        }
        else
        {
            if (a[i] > b[i])
            {
                if (a[i] - (a[i] - b[i] + 1) / 2 * 2 >= 0)
                {
                    gum -= (a[i] - b[i] + 1) / 2 * 2;
                    gum += (a[i] - b[i] + 1) / 2;
                    a[1] += (a[i] - b[i] + 1) / 2;
                    a[i] -= (a[i] - b[i] + 1) / 2 * 2;
                }
                else
                {
                    gum -= (a[i] - b[i] + 1) / 2 * 2 - 2;
                    gum += (a[i] - b[i] + 1) / 2 - 1;
                    a[1] += (a[i] - b[i] + 1) / 2 - 1;
                    a[i] -= (a[i] - b[i] + 1) / 2 * 2 - 2;
                }
            }
        }
        if (qan >= 100000000)
            break;
    }
    if (n <= 7)
    {
        if (gum == gum1)
            cout << "Yes";
        else
            cout << "No";
    }
    else
    {
        if(gum == gum1)
            cout << "Yes";
        else
            cout << "No";
    }
}


int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    ll tt = 1;
    //cin >> tt;
    while (tt--) {
        solve();
    }
    return 0;
}

Compilation message

remittance.cpp: In function 'void solve()':
remittance.cpp:33:17: warning: unused variable 'x' [-Wunused-variable]
   33 |     ll n, i, j, x, y, gum1 = 0, gum = 0;
      |                 ^
remittance.cpp:33:20: warning: unused variable 'y' [-Wunused-variable]
   33 |     ll n, i, j, x, y, gum1 = 0, gum = 0;
      |                    ^
remittance.cpp:42:9: warning: unused variable 'st' [-Wunused-variable]
   42 |     int st = 0, qan = 0;
      |         ^~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 246 ms 340 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 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 156 ms 316 KB Output is correct
13 Correct 152 ms 340 KB Output is correct
14 Correct 180 ms 316 KB Output is correct
15 Correct 136 ms 320 KB Output is correct
16 Correct 310 ms 340 KB Output is correct
17 Correct 202 ms 316 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 159 ms 340 KB Output is correct
20 Correct 395 ms 340 KB Output is correct
21 Correct 396 ms 312 KB Output is correct
22 Correct 157 ms 340 KB Output is correct
23 Correct 322 ms 316 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 162 ms 316 KB Output is correct
26 Correct 400 ms 340 KB Output is correct
27 Correct 141 ms 316 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 136 ms 340 KB Output is correct
31 Correct 395 ms 316 KB Output is correct
32 Correct 0 ms 340 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 246 ms 340 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 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 156 ms 316 KB Output is correct
13 Correct 152 ms 340 KB Output is correct
14 Correct 180 ms 316 KB Output is correct
15 Correct 136 ms 320 KB Output is correct
16 Correct 310 ms 340 KB Output is correct
17 Correct 202 ms 316 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 159 ms 340 KB Output is correct
20 Correct 395 ms 340 KB Output is correct
21 Correct 396 ms 312 KB Output is correct
22 Correct 157 ms 340 KB Output is correct
23 Correct 322 ms 316 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 162 ms 316 KB Output is correct
26 Correct 400 ms 340 KB Output is correct
27 Correct 141 ms 316 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 136 ms 340 KB Output is correct
31 Correct 395 ms 316 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 129 ms 320 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 176 ms 340 KB Output is correct
43 Correct 138 ms 320 KB Output is correct
44 Correct 131 ms 320 KB Output is correct
45 Correct 137 ms 316 KB Output is correct
46 Correct 170 ms 316 KB Output is correct
47 Correct 147 ms 212 KB Output is correct
48 Correct 129 ms 340 KB Output is correct
49 Correct 0 ms 340 KB Output is correct
50 Correct 427 ms 316 KB Output is correct
51 Correct 402 ms 316 KB Output is correct
52 Correct 290 ms 316 KB Output is correct
53 Correct 375 ms 212 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 131 ms 316 KB Output is correct
56 Correct 400 ms 320 KB Output is correct
57 Correct 127 ms 320 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 130 ms 316 KB Output is correct
61 Correct 410 ms 320 KB Output is correct
62 Correct 0 ms 340 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 246 ms 340 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 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 156 ms 316 KB Output is correct
13 Correct 152 ms 340 KB Output is correct
14 Correct 180 ms 316 KB Output is correct
15 Correct 136 ms 320 KB Output is correct
16 Correct 310 ms 340 KB Output is correct
17 Correct 202 ms 316 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 159 ms 340 KB Output is correct
20 Correct 395 ms 340 KB Output is correct
21 Correct 396 ms 312 KB Output is correct
22 Correct 157 ms 340 KB Output is correct
23 Correct 322 ms 316 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 162 ms 316 KB Output is correct
26 Correct 400 ms 340 KB Output is correct
27 Correct 141 ms 316 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 136 ms 340 KB Output is correct
31 Correct 395 ms 316 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 129 ms 320 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 176 ms 340 KB Output is correct
43 Correct 138 ms 320 KB Output is correct
44 Correct 131 ms 320 KB Output is correct
45 Correct 137 ms 316 KB Output is correct
46 Correct 170 ms 316 KB Output is correct
47 Correct 147 ms 212 KB Output is correct
48 Correct 129 ms 340 KB Output is correct
49 Correct 0 ms 340 KB Output is correct
50 Correct 427 ms 316 KB Output is correct
51 Correct 402 ms 316 KB Output is correct
52 Correct 290 ms 316 KB Output is correct
53 Correct 375 ms 212 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 131 ms 316 KB Output is correct
56 Correct 400 ms 320 KB Output is correct
57 Correct 127 ms 320 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 130 ms 316 KB Output is correct
61 Correct 410 ms 320 KB Output is correct
62 Correct 0 ms 340 KB Output is correct
63 Correct 371 ms 15964 KB Output is correct
64 Correct 93 ms 15876 KB Output is correct
65 Correct 159 ms 15952 KB Output is correct
66 Correct 87 ms 15840 KB Output is correct
67 Correct 95 ms 15868 KB Output is correct
68 Correct 102 ms 15960 KB Output is correct
69 Correct 157 ms 15936 KB Output is correct
70 Correct 256 ms 15948 KB Output is correct
71 Correct 270 ms 15960 KB Output is correct
72 Correct 270 ms 15888 KB Output is correct
73 Correct 324 ms 15868 KB Output is correct
74 Correct 262 ms 15896 KB Output is correct
75 Correct 259 ms 15872 KB Output is correct
76 Correct 280 ms 15964 KB Output is correct
77 Correct 317 ms 15936 KB Output is correct
78 Correct 571 ms 16076 KB Output is correct
79 Correct 612 ms 15964 KB Output is correct
80 Correct 132 ms 15932 KB Output is correct
81 Correct 290 ms 16020 KB Output is correct
82 Correct 534 ms 15964 KB Output is correct
83 Correct 246 ms 15968 KB Output is correct
84 Correct 76 ms 15860 KB Output is correct
85 Correct 165 ms 15884 KB Output is correct
86 Correct 336 ms 15968 KB Output is correct
87 Correct 579 ms 15964 KB Output is correct
88 Correct 137 ms 15944 KB Output is correct