26 lines
372 B
C
26 lines
372 B
C
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char **argv) {
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int n;
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scanf("%d", &n);
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int sum = 0;
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for (int i=0; i<n; i++) {
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int temp;
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scanf("%d", &temp);
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sum += temp;
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}
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int otherSum = 0;
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for (int i=0; i<n-1; i++) {
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int temp;
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scanf("%d", &temp);
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otherSum += temp;
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}
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printf("%d\n", sum - otherSum);
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return 0;
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}
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