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Submission #1041698

# Submission time Handle Problem Language Result Execution time Memory
1041698 2024-08-02T07:10:56 Z 김은성(#11000) Bring Down the Grading Server (CEOI23_gradingserver) C++17
0 / 100
 478 ms 1048576 KB 
#include <bits/stdc++.h>
using namespace std;
int dp[309][309][309], s;
void go(int fh, int cg, int fg);
bool win(int ch, int fh, int cg, int fg){
	if(ch<=0)
		return 0;
	go(fh, cg, fg);
	return ch >= dp[fh][cg][fg];
}
void go(int fh, int cg, int fg){
	//printf("fh=%d cg=%d fg=%d\n", fh, cg, fg);
	if(dp[fh][cg][fg] != -1)
		return;
	if(cg == 0)
		dp[fh][cg][fg] = 0;
	else{
		int lo = 1, hi = 301;
		while(lo < hi){
			int ch = lo;
			if(fg > 0 && !win(cg, max(fg-1, 0), ch, fh)){
				hi = ch; break;
			}
			else if(ch-fg*s > 0 && !win(max(cg-max(ch-fg*s, 0), 0),fg, ch, fh)){
				hi = ch;
				break;
			}
			else
				lo = ch+1;
		}
		dp[fh][cg][fg] = lo==301 ? 1000000009 : lo;
	}
}
int main(){
	int q, ch, fh, cg, fg, i;
	scanf("%d %d", &s, &q);
	memset(dp, -1, sizeof(dp));
	while(q--){
		scanf("%d %d %d %d", &ch, &fh, &cg, &fg);
		printf("%s\n", win(ch,fh,cg,fg) ? "YES" : "NO");
	}
	return 0;
}

Compilation message

gradingserver.cpp: In function 'int main()':
gradingserver.cpp:35:25: warning: unused variable 'i' [-Wunused-variable]
   35 |  int q, ch, fh, cg, fg, i;
      |                         ^
gradingserver.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |  scanf("%d %d", &s, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~
gradingserver.cpp:39:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |   scanf("%d %d %d %d", &ch, &fh, &cg, &fg);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 115796 KB Output is correct
2 Incorrect 28 ms 115804 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 115804 KB Output is correct
2 Runtime error 478 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #2
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 115804 KB Output is correct
2 Runtime error 478 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 107 ms 234428 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 115804 KB Output is correct
2 Runtime error 478 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 115804 KB Output is correct
2 Runtime error 478 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #6
0.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 115804 KB Output is correct
2 Runtime error 478 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #7
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 115804 KB Output is correct
2 Runtime error 478 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -