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Submission #27016

# Submission time Handle Problem Language Result Execution time Memory
27016 2017-07-08T13:10:24 Z 검수팍(#1115) Test Data Creation (FXCUP2_testdata) C++
1 / 1
 2853 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 306 ms 216840 KB Correct
6 Correct 2826 ms 216840 KB Correct
7 Correct 2436 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 3 ms 216840 KB Correct
14 Correct 6 ms 216840 KB Correct
15 Correct 16 ms 216840 KB Correct
16 Correct 73 ms 216840 KB Correct
17 Correct 479 ms 216840 KB Correct
18 Correct 2853 ms 216840 KB Correct
19 Correct 13 ms 216840 KB Correct
20 Correct 1343 ms 216840 KB Correct
21 Correct 506 ms 216840 KB Correct
22 Correct 166 ms 216840 KB Correct
23 Correct 429 ms 216840 KB Correct
24 Correct 1703 ms 216840 KB Correct
25 Correct 2733 ms 216840 KB Correct