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Submission #27051

# Submission time Handle Problem Language Result Execution time Memory
27051 2017-07-09T06:12:29 Z 검수컵(#1129) Test Data Creation (FXCUP2_testdata) C++
1 / 1
 3013 ms 216840 KB 
#include<stdio.h>

int N, M, NM, ba[90090], ans[90090], D[90090][611];

int dy(int x, int y){
	int df=x-y+NM;
	if(x==N*M-1 && y==N*M-1)return ba[x];
	if(D[x][df])return D[x][df];

	int dap=0x7fffffff, gap;
	if(x<y){
		if(x%N != N-1){
			gap = ba[x]+dy(x+1, y);
			if(dap > gap)dap = gap;
		}
		if(x+N < N*M){
			gap = ba[x]+dy(x+N, y);
			if(dap > gap)dap = gap;
		}
	}
	else{
		if(y%M != M-1){
			gap = ba[y]+dy(x, y+1);
			if(x == y)gap -= ba[y];
			if(dap > gap)dap = gap;
		}
		if(y+M < N*M){
			gap = ba[y]+dy(x, y+M);
			if(x == y)gap -= ba[y];
			if(dap > gap)dap = gap;
		}
	}
	return D[x][df]=dap;
}

void rev(int x, int y){
	ans[x]=ans[y]=1;
	if(x==N*M-1 && y==N*M-1)return;

	if(x<y){
		if(x%N != N-1 && dy(x,y) == ba[x]+dy(x+1, y))rev(x+1, y);
		else rev(x+N, y);
	}
	else{
		if(y%M != M-1 && dy(x,y) == (x==y?0:ba[y]) + dy(x, y+1))rev(x, y+1);
		else rev(x, y+M);
	}
}


int main(){
	scanf("%d%d", &N, &M);
	NM = N<M?M:N;
	for(int i=0; i<N*M; i++)scanf("%d", &ba[i]);
	printf("%d\n", dy(0, 0)); rev(0, 0);
	for(int i=0; i<M; i++){
		for(int j=0; j<N; j++)printf("%d ", ans[i*N+j]);
		puts("");
	}
	return 0;
}

Compilation message

testdata.cpp: In function 'int main()':
testdata.cpp:52:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
                       ^
testdata.cpp:54:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0; i<N*M; i++)scanf("%d", &ba[i]);
                                             ^

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216840 KB Correct
2 Correct 0 ms 216840 KB Correct
3 Correct 0 ms 216840 KB Correct
4 Correct 9 ms 216840 KB Correct
5 Correct 226 ms 216840 KB Correct
6 Correct 2973 ms 216840 KB Correct
7 Correct 3013 ms 216840 KB Correct
8 Correct 0 ms 216840 KB Correct
9 Correct 0 ms 216840 KB Correct
10 Correct 0 ms 216840 KB Correct
11 Correct 0 ms 216840 KB Correct
12 Correct 0 ms 216840 KB Correct
13 Correct 0 ms 216840 KB Correct
14 Correct 6 ms 216840 KB Correct
15 Correct 26 ms 216840 KB Correct
16 Correct 69 ms 216840 KB Correct
17 Correct 443 ms 216840 KB Correct
18 Correct 1746 ms 216840 KB Correct
19 Correct 19 ms 216840 KB Correct
20 Correct 1369 ms 216840 KB Correct
21 Correct 576 ms 216840 KB Correct
22 Correct 356 ms 216840 KB Correct
23 Correct 503 ms 216840 KB Correct
24 Correct 2833 ms 216840 KB Correct
25 Correct 2866 ms 216840 KB Correct