Submission #39441

#	Time	Username	Problem	Language	Result	Execution time	Memory
39441		smu201111192	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	0 / 100	0 ms	2168 KiB

treasure

#include "treasure.h"
#include <cstdio>
#include <iostream>
int dp[105][105];
int chk[105][105];
int g(int y1,int x1,int y2,int x2){
    return dp[y2][x2] - dp[y1-1][x2] - dp[y2][x1-1] + dp[y1-1][x1-1];
}
void findTreasure (int N) {
    //if(cnt > 0) Report (1, 1);
    if(N <= 5){
        for(int i=1;i<=N;i++){
            for(int j=1;j<=N;j++){
                int cnt = countTreasure(i, j, i, j);
                chk[i][j] = 1;
            }
        }
        for(int i=1;i<=N;i++){
            for(int j=1;j<=N;j++){
                if(chk[i][j]) Report(i,j);
            }
        }
        return;
    }
    for(int i=1;i<=N;i++){
        for(int j=1;j<=N;j++){
            int cnt = countTreasure(1,1,i,j);
            dp[i][j] = cnt;
        }
    }
    for(int i=1;i<=N;i++){
        for(int j=1;j<=N;j++){
            if(g(i,j,i,j)){
                Report(1,1);
            }
        }
    }
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:63:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         my_assert(strlen(A[i]+1) == N, "each line of the map must contain N zeroes or ones (before loop)");
                                  ^
treasure.cpp: In function 'void findTreasure(int)':
treasure.cpp:14:21: warning: unused variable 'cnt' [-Wunused-variable]
                 int cnt = countTreasure(i, j, i, j);
                     ^

• Subtask 1: 0 / 100