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Submission #115258

# Submission time Handle Problem Language Result Execution time Memory
115258 2019-06-06T12:19:51 Z gs14004 World of Tank (innopolis2018_final_E) C++17
30 / 100
 4 ms 512 KB 
#include <bits/stdc++.h>
using namespace std;
using lint = long long;
using pi = pair<int, int>;
const int MAXN = 3000005;

vector<int> v[2], ev;
bool trk[MAXN][2];
int dp[MAXN][2];
int n, t;

bool Has(int y, int x){
	return binary_search(v[x].begin(), v[x].end(), y);
}

bool findCut(){
	for(auto &i : v[0]){
		ev.push_back(i);
		ev.push_back(i + 1);
		ev.push_back(i + 2);
	}
	for(auto &i : v[1]){
		ev.push_back(i);
		ev.push_back(i + 1);
		ev.push_back(i + 2);
	}
	ev.push_back(0);
	sort(ev.begin(), ev.end());
	ev.resize(unique(ev.begin(), ev.end()) - ev.begin());
	dp[0][1] = -2e9;
	for(int i=1; i<ev.size(); i++){
		for(int j=0; j<2; j++){
			if(!Has(ev[i] - 1, j) && dp[i-1][j] < min(dp[i-1][j^1], t)){
				dp[i][j] = min(dp[i-1][j^1], t) + 1;
				trk[i][j] = 1;
			}
			else{
				dp[i][j] = dp[i-1][j] + 1;
			}
			if(Has(ev[i], j)){
				dp[i][j] -= t;
				if(dp[i][j] <= 0) dp[i][j] = -2e9;
			}
		}
	}
	return max(dp[ev.size() - 1][0], dp[ev.size() - 1][1]) >= 0;
}

void trace(){
	int pos = 0;
	if(dp[ev.size() - 1][0] < 0) pos = 1;
	vector<pi> boom;
	vector<int> trans;
	for(int i=ev.size() - 1; i; i--){
		if(Has(ev[i], pos)){
			int where = ev[i] - dp[i][pos];
			where = max(where, 1);
			boom.emplace_back(where, pos + 1);
			dp[i][pos] += t;
		}
		if(trk[i][pos]){
			pos ^= 1;
			trans.push_back(ev[i] - 1);
		}
	}
	assert(pos == 0);
	reverse(trans.begin(), trans.end());
	reverse(boom.begin(), boom.end());
	cout << trans.size() << endl;
	for(auto &i : trans) printf("%d ", i);
	cout << endl <<  boom.size() << endl;
	for(auto &i : boom) printf("%d %d\n", i.first, i.second);
}

int main(){
	int t0, t1;
	scanf("%d %d %d %d",&n,&t0,&t1,&t);
	v[0].resize(t0);
	v[1].resize(t1);
	for(int i=0; i<2; i++){
		for(auto &j : v[i]){
			scanf("%d",&j);
		}
	}
	if(!findCut()){
		puts("No");
		return 0;
	}
	puts("Yes");
	trace();
}

Compilation message

E.cpp: In function 'bool findCut()':
E.cpp:31:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1; i<ev.size(); i++){
               ~^~~~~~~~~~
E.cpp: In function 'int main()':
E.cpp:77:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d %d",&n,&t0,&t1,&t);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
E.cpp:82:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&j);
    ~~~~~^~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB [OK, Yes] n = 20, m1 = 20, m2 = 0, t = 20
2 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 509, m2 = 491, t = 5000
3 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 764, m2 = 736, t = 5000
4 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 698, m2 = 802, t = 5000
5 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 720, m2 = 780, t = 5000
6 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 734, m2 = 766, t = 5000
7 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 997, m2 = 1003, t = 5000
8 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 1021, m2 = 979, t = 5000
9 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1006, m2 = 995, t = 5000
10 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1017, m2 = 984, t = 5000
11 Correct 3 ms 512 KB [OK, No] n = 5000, m1 = 1495, m2 = 1506, t = 5000

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB [OK, Yes] n = 20, m1 = 20, m2 = 0, t = 20
2 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 509, m2 = 491, t = 5000
3 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 764, m2 = 736, t = 5000
4 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 698, m2 = 802, t = 5000
5 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 720, m2 = 780, t = 5000
6 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 734, m2 = 766, t = 5000
7 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 997, m2 = 1003, t = 5000
8 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 1021, m2 = 979, t = 5000
9 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1006, m2 = 995, t = 5000
10 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1017, m2 = 984, t = 5000
11 Correct 3 ms 512 KB [OK, No] n = 5000, m1 = 1495, m2 = 1506, t = 5000
12 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 974, m2 = 1026, t = 2501
13 Correct 4 ms 512 KB [OK, Yes] n = 5000, m1 = 1022, m2 = 978, t = 2501
14 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 1019, m2 = 981, t = 2501
15 Correct 4 ms 384 KB [OK, Yes] n = 5000, m1 = 1298, m2 = 1367, t = 2501
16 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1301, m2 = 1360, t = 2501
17 Correct 3 ms 480 KB [OK, Yes] n = 5000, m1 = 1320, m2 = 1315, t = 2501
18 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1195, m2 = 1135, t = 2501
19 Correct 3 ms 512 KB [OK, No] n = 5000, m1 = 1148, m2 = 1202, t = 2501
20 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1147, m2 = 1179, t = 2501
21 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1163, m2 = 1146, t = 2501
22 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1145, m2 = 1184, t = 2501
23 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1172, m2 = 1150, t = 2501

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB [OK, Yes] n = 20, m1 = 12, m2 = 9, t = 3
2 Incorrect 2 ms 256 KB [No solution found] n = 10, m1 = 4, m2 = 2, t = 2
3 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB [OK, Yes] n = 20, m1 = 20, m2 = 0, t = 20
2 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 509, m2 = 491, t = 5000
3 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 764, m2 = 736, t = 5000
4 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 698, m2 = 802, t = 5000
5 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 720, m2 = 780, t = 5000
6 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 734, m2 = 766, t = 5000
7 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 997, m2 = 1003, t = 5000
8 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 1021, m2 = 979, t = 5000
9 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1006, m2 = 995, t = 5000
10 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1017, m2 = 984, t = 5000
11 Correct 3 ms 512 KB [OK, No] n = 5000, m1 = 1495, m2 = 1506, t = 5000
12 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 974, m2 = 1026, t = 2501
13 Correct 4 ms 512 KB [OK, Yes] n = 5000, m1 = 1022, m2 = 978, t = 2501
14 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 1019, m2 = 981, t = 2501
15 Correct 4 ms 384 KB [OK, Yes] n = 5000, m1 = 1298, m2 = 1367, t = 2501
16 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1301, m2 = 1360, t = 2501
17 Correct 3 ms 480 KB [OK, Yes] n = 5000, m1 = 1320, m2 = 1315, t = 2501
18 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1195, m2 = 1135, t = 2501
19 Correct 3 ms 512 KB [OK, No] n = 5000, m1 = 1148, m2 = 1202, t = 2501
20 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1147, m2 = 1179, t = 2501
21 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1163, m2 = 1146, t = 2501
22 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1145, m2 = 1184, t = 2501
23 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1172, m2 = 1150, t = 2501
24 Correct 2 ms 384 KB [OK, Yes] n = 500, m1 = 197, m2 = 53, t = 2
25 Correct 3 ms 384 KB [OK, Yes] n = 500, m1 = 189, m2 = 61, t = 3
26 Correct 2 ms 384 KB [OK, No] n = 500, m1 = 66, m2 = 184, t = 4
27 Incorrect 2 ms 384 KB [No solution found] n = 500, m1 = 248, m2 = 252, t = 1
28 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB [OK, Yes] n = 20, m1 = 20, m2 = 0, t = 20
2 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 509, m2 = 491, t = 5000
3 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 764, m2 = 736, t = 5000
4 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 698, m2 = 802, t = 5000
5 Correct 2 ms 384 KB [OK, Yes] n = 5000, m1 = 720, m2 = 780, t = 5000
6 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 734, m2 = 766, t = 5000
7 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 997, m2 = 1003, t = 5000
8 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 1021, m2 = 979, t = 5000
9 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1006, m2 = 995, t = 5000
10 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1017, m2 = 984, t = 5000
11 Correct 3 ms 512 KB [OK, No] n = 5000, m1 = 1495, m2 = 1506, t = 5000
12 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 974, m2 = 1026, t = 2501
13 Correct 4 ms 512 KB [OK, Yes] n = 5000, m1 = 1022, m2 = 978, t = 2501
14 Correct 3 ms 384 KB [OK, Yes] n = 5000, m1 = 1019, m2 = 981, t = 2501
15 Correct 4 ms 384 KB [OK, Yes] n = 5000, m1 = 1298, m2 = 1367, t = 2501
16 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1301, m2 = 1360, t = 2501
17 Correct 3 ms 480 KB [OK, Yes] n = 5000, m1 = 1320, m2 = 1315, t = 2501
18 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1195, m2 = 1135, t = 2501
19 Correct 3 ms 512 KB [OK, No] n = 5000, m1 = 1148, m2 = 1202, t = 2501
20 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1147, m2 = 1179, t = 2501
21 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1163, m2 = 1146, t = 2501
22 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1145, m2 = 1184, t = 2501
23 Correct 3 ms 384 KB [OK, No] n = 5000, m1 = 1172, m2 = 1150, t = 2501
24 Correct 2 ms 384 KB [OK, Yes] n = 20, m1 = 12, m2 = 9, t = 3
25 Incorrect 2 ms 256 KB [No solution found] n = 10, m1 = 4, m2 = 2, t = 2
26 Halted 0 ms 0 KB -