View Compilation Error

0_0_34114319_24907.cpp: In function 'void init()':
0_0_34114319_24907.cpp:39:8: error: 'j' was not declared in this scope
   for (j = 0; j <= 1000; ++j) {
        ^
0_0_34114319_24907.cpp: In function 'int main()':
0_0_34114319_24907.cpp:55:24: error: 'i' was not declared in this scope
   printf("%d\n", dp[0][i][j]);
                        ^
0_0_34114319_24907.cpp:55:27: error: 'j' was not declared in this scope
   printf("%d\n", dp[0][i][j]);
                           ^