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View Compilation Error

0_0_18765931_12717.c: In function 'main':
0_0_18765931_12717.c:18:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int i=1;i<=N;i++)
   ^
0_0_18765931_12717.c:18:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_18765931_12717.c:19:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
    for(int j=1;j<=M;j++)
    ^
0_0_18765931_12717.c:21:11: error: redefinition of 'i'
   for(int i=2;i<=N;i++)
           ^
0_0_18765931_12717.c:18:11: note: previous definition of 'i' was here
   for(int i=1;i<=N;i++)
           ^
0_0_18765931_12717.c:21:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int i=2;i<=N;i++)
   ^
0_0_18765931_12717.c:23:11: error: redefinition of 'i'
   for(int i=2;i<=M-1;i++)
           ^
0_0_18765931_12717.c:21:11: note: previous definition of 'i' was here
   for(int i=2;i<=N;i++)
           ^
0_0_18765931_12717.c:23:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int i=2;i<=M-1;i++)
   ^
0_0_18765931_12717.c:29:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
    for(int j=2;j<=N;j++)
    ^
0_0_18765931_12717.c:31:12: error: redefinition of 'j'
    for(int j=N-1;j>=1;j--)
            ^
0_0_18765931_12717.c:29:12: note: previous definition of 'j' was here
    for(int j=2;j<=N;j++)
            ^
0_0_18765931_12717.c:31:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
    for(int j=N-1;j>=1;j--)
    ^
0_0_18765931_12717.c:33:12: error: redefinition of 'j'
    for(int j=1;j<=N;j++)
            ^
0_0_18765931_12717.c:31:12: note: previous definition of 'j' was here
    for(int j=N-1;j>=1;j--)
            ^
0_0_18765931_12717.c:33:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
    for(int j=1;j<=N;j++)
    ^
0_0_18765931_12717.c:37:11: error: redefinition of 'j'
   for(int j=N-1;j>=1;j--)
           ^
0_0_18765931_12717.c:19:12: note: previous definition of 'j' was here
    for(int j=1;j<=M;j++)
            ^
0_0_18765931_12717.c:37:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int j=N-1;j>=1;j--)
   ^


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