mimic
31 lines
482 B
C
31 lines
482 B
C
#include <stdio.h>
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int main(int argc, char *argv[])
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{
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int a, b, c, d, e;
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int ZA[3000], ZB[3000], ZC[3000];
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scanf("%d", &a);
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for (b = 0; b < a; ++b)
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scanf("%d", ZA + b);
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for (b = 0; b < a - 1; ++b) {
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d = b;
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for (c = b + 1; c < a; ++c)
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if (ZA[d] < ZA[c])
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d = c;
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if (d != b) {
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ZB[e] = b;
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ZC[e] = d;
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c = ZA[d];
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ZA[d] = ZA[b];
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ZA[b] = c;
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e += 1;
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}
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}
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printf("%d\n", e);
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for (c = 0; c < e; ++c)
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printf("%d %d\n", ZB[c], ZC[c]);
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return 0;
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}
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