0_0_12361622_3526.c: In function `solve':
0_0_12361622_3526.c:19: error: redeclaration of 'i' with no linkage
0_0_12361622_3526.c:5: error: previous declaration of 'i' was here
0_0_12361622_3526.c:19: error: 'for' loop initial declaration used outside C99 mode
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