0_0_19436589_31041.c: In function 'main':
0_0_19436589_31041.c:54:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for(int tt=1;t<=t;t++)
^
0_0_19436589_31041.c:54:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_19436589_31041.c:61:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = 1; i <=n; ++i)
^
0_0_19436589_31041.c:67:12: error: redefinition of 'i'
for (int i = 1; i <= m; ++i)
^
0_0_19436589_31041.c:61:12: note: previous definition of 'i' was here
for (int i = 1; i <=n; ++i)
^
0_0_19436589_31041.c:67:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = 1; i <= m; ++i)
^
0_0_19436589_31041.c:94:12: error: redefinition of 'i'
for (int i = 1; i <=m; ++i)
^
0_0_19436589_31041.c:67:12: note: previous definition of 'i' was here
for (int i = 1; i <= m; ++i)
^
0_0_19436589_31041.c:94:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
for (int i = 1; i <=m; ++i)
^
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