Submission #291837

# Submission time Handle Problem Language Result Execution time Memory
291837 2020-09-05T20:45:12 Z maximath_1 Remittance (JOI19_remittance) C++11
100 / 100
267 ms 28700 KB
#include <iostream>
#include <array>
#include <vector>
#include <algorithm>
#include <string.h>
#include <set>
#include <math.h>
#include <numeric>
#include <assert.h>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#include <bitset>
#include <queue>
using namespace std;
#define ll long long
#define ld long double
#define endl "\n"
const ll inf = 1e9 + 69;
const ld pi = 3.14159265358979323L;
const ld eps = 1e-15;
const int N = 1e5 + 5;

void setIn(string s){freopen(s.c_str(), "r", stdin);}
void setOut(string s){freopen(s.c_str(), "w", stdout);}
void unsyncIO(){cin.tie(0) -> sync_with_stdio(0);}
void setIO(string s = ""){
	unsyncIO();
	if(s.size()){
		setIn(s + ".in");
		setOut(s + ".out");
	}
}

int n, a[1000005], b[1000005];

int main(){
	setIO();

	cin >> n;
	for(int i = 0; i < n; i ++)
		cin >> a[i] >> b[i];

	for(bool done = 0; !done;){
		done = 1;
		for(int i = 0; i < n; i ++){
			if(a[i] > 1 && a[i] > b[i]){
				int x = max(1, (a[i] - b[i]) / 2);
				a[i] -= x * 2;
				a[(i + 1) % n] += x;
				done = 0;
			}
		}
	}

	bool ok = 1;
	for(int i = 0; i < n; i ++)
		if(a[i] != b[i]) ok = 0;

	if(ok) cout << "Yes\n";
	else cout << "No\n";

	return 0;
}

Compilation message

remittance.cpp: In function 'void setIn(std::string)':
remittance.cpp:25:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   25 | void setIn(string s){freopen(s.c_str(), "r", stdin);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
remittance.cpp: In function 'void setOut(std::string)':
remittance.cpp:26:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   26 | void setOut(string s){freopen(s.c_str(), "w", stdout);}
      |                       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 416 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 288 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 416 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 288 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 1 ms 384 KB Output is correct
41 Correct 0 ms 384 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 0 ms 384 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 0 ms 384 KB Output is correct
50 Correct 0 ms 384 KB Output is correct
51 Correct 0 ms 384 KB Output is correct
52 Correct 1 ms 384 KB Output is correct
53 Correct 0 ms 384 KB Output is correct
54 Correct 1 ms 384 KB Output is correct
55 Correct 0 ms 384 KB Output is correct
56 Correct 1 ms 384 KB Output is correct
57 Correct 0 ms 384 KB Output is correct
58 Correct 0 ms 384 KB Output is correct
59 Correct 0 ms 384 KB Output is correct
60 Correct 0 ms 384 KB Output is correct
61 Correct 0 ms 384 KB Output is correct
62 Correct 0 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 416 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 288 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 1 ms 384 KB Output is correct
41 Correct 0 ms 384 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 0 ms 384 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 0 ms 384 KB Output is correct
50 Correct 0 ms 384 KB Output is correct
51 Correct 0 ms 384 KB Output is correct
52 Correct 1 ms 384 KB Output is correct
53 Correct 0 ms 384 KB Output is correct
54 Correct 1 ms 384 KB Output is correct
55 Correct 0 ms 384 KB Output is correct
56 Correct 1 ms 384 KB Output is correct
57 Correct 0 ms 384 KB Output is correct
58 Correct 0 ms 384 KB Output is correct
59 Correct 0 ms 384 KB Output is correct
60 Correct 0 ms 384 KB Output is correct
61 Correct 0 ms 384 KB Output is correct
62 Correct 0 ms 384 KB Output is correct
63 Correct 251 ms 27492 KB Output is correct
64 Correct 147 ms 12152 KB Output is correct
65 Correct 243 ms 27128 KB Output is correct
66 Correct 145 ms 12092 KB Output is correct
67 Correct 148 ms 13564 KB Output is correct
68 Correct 160 ms 15864 KB Output is correct
69 Correct 246 ms 27592 KB Output is correct
70 Correct 154 ms 12244 KB Output is correct
71 Correct 151 ms 13560 KB Output is correct
72 Correct 166 ms 15956 KB Output is correct
73 Correct 244 ms 27512 KB Output is correct
74 Correct 145 ms 12024 KB Output is correct
75 Correct 148 ms 13560 KB Output is correct
76 Correct 157 ms 15864 KB Output is correct
77 Correct 242 ms 27572 KB Output is correct
78 Correct 187 ms 19832 KB Output is correct
79 Correct 188 ms 19812 KB Output is correct
80 Correct 187 ms 19832 KB Output is correct
81 Correct 194 ms 19832 KB Output is correct
82 Correct 128 ms 12024 KB Output is correct
83 Correct 126 ms 12124 KB Output is correct
84 Correct 134 ms 12132 KB Output is correct
85 Correct 267 ms 28700 KB Output is correct
86 Correct 267 ms 28664 KB Output is correct
87 Correct 212 ms 20856 KB Output is correct
88 Correct 220 ms 20984 KB Output is correct