{"id":25335,"date":"2015-08-23T01:23:42","date_gmt":"2015-08-22T22:23:42","guid":{"rendered":"http:\/\/studentpmr.ru\/?p=25335"},"modified":"2015-08-23T01:26:50","modified_gmt":"2015-08-22T22:26:50","slug":"%d0%b7%d0%b0%d0%b4%d0%b0%d1%87%d0%b8-%d1%81-%d0%bf%d0%b5%d1%80%d0%b2%d1%8b%d0%b9-%d0%ba%d1%83%d1%80%d1%81-%d0%be%d1%82%d0%b2%d0%b5%d1%82%d1%8b-%d1%86%d0%b8%d0%ba%d0%bb%d0%b8%d1%87%d0%b5%d1%81","status":"publish","type":"post","link":"https:\/\/studentpmr.ru\/?p=25335","title":{"rendered":"\u0417\u0430\u0434\u0430\u0447\u0438 \u0421++ (\u043f\u0435\u0440\u0432\u044b\u0439 \u043a\u0443\u0440\u0441) — \u043e\u0442\u0432\u0435\u0442\u044b. \u0426\u0438\u043a\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b."},"content":{"rendered":"

3-045.cpp<\/strong><\/p>\n

\/\/najti summu N-znachnyh chisel (1<=n<=4), kratnyh K<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nshort i,a,b,n,k;
\nfloat s=0;
\nprintf(«\\tSumma n-znachnyh chisel, kratnyh k\\nVvedite n (1<=n<=4): «);
\nvvod_n:
\nscanf(«%i»,&n);
\nswitch(n)
\n{
\ncase 1:
\na=1;
\nb=9;
\nbreak;
\ncase 2:
\na=10;
\nb=99;
\nbreak;
\ncase 3:
\na=100;
\nb=999;
\nbreak;
\ncase 4:
\na=1000;
\nb=9999;
\nbreak;
\ndefault:
\nprintf(«Oshibka, povtorite vvod: «);
\ngoto vvod_n;
\n}
\nprintf(«Vvedite k: «);
\nscanf(«%i»,&k);
\nfor(i=a;i<=b;i+=k)
\ns+=i;
\nprintf(«Iskomaya summa ravna %.0»,s);
\ngetch();
\n}<\/p>\n

3-012.cpp<\/strong><\/p>\n

\/\/najti summu n chlenov ryada S:
\n\/\/ cos x2 cos x3 cos xn
\n\/\/ S= cos x + ——— + ——— + … + ———
\n\/\/ 2 3 n<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\n#include <math.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nunsigned n;
\nfloat x;
\nprintf(» cos x2 cos x3 cos xn\\n S= cos x + ——— + ——— + … + ———\\n»);
\nprintf(» 2 3 n\\nVvedite X: «);
\nscanf(«%f»,&x);
\nprintf(«Vvedite tseloe polozhitel’noe chislo N: «);
\nscanf(«%u»,&n);
\nfloat s=0,r=x;
\nfor (unsigned i=1;i<=n;i++)
\n{
\ns+=(cos(r)\/i);
\nr*=x;
\n}
\nprintf(«S=%.3f»,s);
\ngetch();
\n}<\/p>\n

3-022.cpp<\/strong><\/p>\n

\/\/najti summu N chlenov ryada S
\n\/\/ 1 1 1
\n\/\/ S = —— + ————- + … + —————————
\n\/\/ sin 1 sin 1 + sin 2 sin 1 + sin 2 + … + sin n<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\n#include <math.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nunsigned n,i;
\nfloat z=0,s=0;
\nprintf(» 1 1 1\\n S = —— + ————- + … + —————————\\n»);
\nprintf(» sin 1 sin 1 + sin 2 sin 1 + sin 2 + … + sin n\\nVvedite natural’noe chislo N> «);
\nscanf(«%u»,&n);
\nfor(i=1;i<=n;i++)
\n{
\nz+=sin(i);
\ns+=1\/z;
\n}
\nprintf(» S=%.4f»,s);
\ngetch();
\n}<\/p>\n

3-089.cpp<\/strong><\/p>\n

\/\/na kotoryj den’ uchenik tokarya smozhet sdelat’ K edinits produktsii v den’,
\n\/\/esli v pervyj den’ on sdelal N edinits, a proizvoditel’nost’ ego truda
\n\/\/ezhednevno vozrastaet na P protsentov<\/p>\n

#include <conio.h>
\n#include <stdio.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nunsigned K,i=0,N;
\nfloat P,prod;
\nprintf(«Skol’ko edinits sdelano za prevyj den’? «);
\nscanf(«%u»,&N);
\nprintf(«Skol’ko edinits trebuetsya delat’? «);
\nscanf(«%u»,&K);
\nprintf(«Na skol’ko prostentov vozrastaet proizvoditel’nost’? «);
\nscanf(«%f»,&P);
\nP=1.0+P\/100.0;
\nprod=(float)N;
\nfor(i=0;K>prod;i++)
\nprod*=P;
\nprintf(«Uchenik smozhet delat’ po %u detaleej cherez %u dnej»,K,i);
\ngetch();
\n}<\/p>\n

3-065.cpp<\/strong><\/p>\n

\/\/sgenerirovat’ i vyvesti na ekran tri posledovatel’nosti sluchajnyh chisel
\n\/\/vychislit’ srednee arifmeticheskoe kazhdoj posledovatel’nosti<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\n#include <time.h>
\n#include <stdlib.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nrandomize();
\nfloat s1,s2,s3;
\nint i,n1,n2,n3;
\nprintf(«Sluchajnye chisla:\\n\\n»);
\nfor(i=0;i<10;i++)
\n{
\nn1=random(10)+1;
\nn2=random(10)+1;
\nn3=random(10)+1;
\ns1=(s1+n1)\/2;
\ns2=(s2+n2)\/2;
\ns3=(s3+n3)\/2;
\nprintf(«\\t %10i | %10i | %10i |\\n»,n1,n2,n3);
\n}
\nprintf(«\\t ————+—————+—————|\\n»);
\nprintf(«Srednee: %12.0f | %12.0f | %12.0f |»,s1,s2,s3);
\ngetch();
\n}<\/p>\n

3-123.cpp<\/strong><\/p>\n

\/\/proverit’, budet li tsifra M vhodit’ v desyatichnuyu zapis’ chisla pow(n,k)<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nint m,n,k,s=1;
\nprintf(«\\tBudet li tsifra M vhodit’ v desyatichnuyu zapis’ chisla pow(n,k)\\nVvedite tsifru M> «);
\nvvod:
\nscanf(«%i»,&m);
\nif(m>9||m<1)
\n{
\nprintf(«Eto ne tsifra! Povtorit’ vvod> «);
\ngoto vvod;
\n}
\nprintf(«Vvedite chisla n i k (osnovanie i pokazatel’ stepeni): «);
\nscanf(«%i%i»,&n,&k);
\nfor(int i=1;i<=k;i++)
\ns*=n;
\nk=0;
\nwhile(s!=0)
\n{
\nn=s%10;
\ns\/=10;
\nif(n==m)
\nk++;
\n}
\nif(k)
\nprintf(«Otvet: da, vhodit %i raz»,k);
\nelse
\nprintf(«Otvet: net, ne vhodit»);
\ngetch();
\n}<\/p>\n

3-048.cpp<\/strong><\/p>\n

\/\/dano dejstvitel’noe chislo X i natural’noe N; vychislit’ S
\n\/\/ 1 sin x sin x2 sin x(2n-2)
\n\/\/ S= —— + —— + —— + … + ————
\n\/\/ sin x sin x2 sin x4 sin x(2n)<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\n#include <math.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nunsigned n,i;
\nfloat x,s=0;
\nprintf(» 1 sin x sin x2 sin x(2n-2)\\n S= —— + —— + —— + … + ————\\n sin x sin x2 sin x4 sin x(2n)\\nVvedite dejstvitel’noe X i natural’noe N: «);
\nscanf(«%f%u»,&x,&n);
\nfor(i=1;i<=n;i++)
\ns+=sin(pow(x,2*i-2))\/sin(pow(x,2*i));
\nprintf(» S=%.4f»,s);
\ngetch();
\n}<\/p>\n

3-017.cpp<\/strong><\/p>\n

\/\/pri natural’nom N i dejstvitel’nom X najti summu N chlenov ryada S
\n\/\/ sin 2x sin 3x sin nx
\n\/\/ S = sin x — —— + —— — (-1)(n-1)*——
\n\/\/ 2 3 n<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\n#include <math.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nunsigned i,n;
\nfloat x,s=0;
\nprintf(» sin 2x sin 3x sin nx\\n S = sin x — —— + —— — (-1)(n-1)*——\\n 2 3 n\\nVvedite natural’noe chislo N i dejstvitel’noe X: «);
\nscanf(«%u%f»,&n,&x);
\nfor(i=1;i<=n;i++)
\ns+=pow(-1,i)*sin(x)\/i;
\nprintf(» S=%.2f»,s);
\ngetch();
\n}<\/p>\n

3-025.cpp<\/strong><\/p>\n

\/\/vychislit’ summu ryada S pri natural’nom N
\n\/\/ 1 1 1 1
\n\/\/ S = 1 — — + — — — + … + pow(-1,n)*———
\n\/\/ 2 4 8 pow(2,n)<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\n#include <math.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nunsigned n,i;
\nfloat f1=1,f2=1,s=0;
\nprintf(» 1 1 1 1\\n S = 1 — — + — — — + … + pow(-1,n)*———\\n 2 4 8 pow(2,n)\\nVvedite natural’noe N: «);
\nscanf(«%u»,&n);
\nfor(i=1;i<=n;i++)
\n{
\ns+=(f1\/f2);
\nf1=pow(-1,n);
\nf2=pow(2,n);
\n}
\nprintf(» S=%.4f»,s);
\ngetch();
\n}<\/p>\n

3-046.cpp<\/strong><\/p>\n

\/\/najti summu ch`tnyh n-znachnyh chisel<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nshort n,i,a,b;
\nunsigned s=0;
\nprintf(«Vvedite natural’noe chislo (1<=n<=4): «);
\nvvod_n:
\nscanf(«%i»,&n);
\nswitch(n)
\n{
\ncase 1:
\na=1;
\nb=9;
\nbreak;
\ncase 2:
\na=10;
\nb=99;
\nbreak;
\ncase 3:
\na=100;
\nb=999;
\nbreak;
\ncase 4:
\na=1000;
\nb=9999;
\nbreak;
\ndefault:
\nprintf(«Nevernyj vvod. Povtorit’: «);
\ngoto vvod_n;
\n}
\nfor(i=a;i<=b;i+=2)
\ns+=i;
\nprintf(«Summa ch`tnyh %i-znachnyh chisel ravna %u»,n,s);
\ngetch();
\n}<\/p>\n

3-086.cpp<\/strong><\/p>\n

\/\/ezhemesyachnaya stipendiya studenta sostavlyaet A rublej, rashody na prozhivanie
\n\/\/prevyshayut stipendiyu i sostavlyayut B rublej v mesyats, povyshayas’
\n\/\/ezhemesyachno na 3%; rasschitat’ summu deneg, kotorye nuzhno dobavit’,
\n\/\/chtoby prozhit’ desyt’ mesytsev, ispol’zuya tol’ko stipendiyu plyus eti den’gi<\/p>\n

#include <conio.h>
\n#include <stdio.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nfloat a,b,s=0;
\nprintf(«Vvedite razmer stipendii: «);
\nscanf(«%f»,&a);
\nprintf(«Vvedite rashody na prozhivanie: «);
\nscanf(«%f»,&b);
\nfor(int i=1;i<=10;i++)
\n{
\ns+=b-a;
\nb+=1.03;
\n}
\nprintf(«Trebuetsya %.2f rublej»,s);
\ngetch();
\n}<\/p>\n

3-054.cpp<\/strong><\/p>\n

\/\/pervonachal’nyj ob`m lesa P kubometrov, ezhzegodnyj prirost K%; cherez skol’ko
\n\/\/let les budet vyrublen polnost’yu, esli godovoj plan zagotovki T kubometrov?<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nunsigned n=0;
\nfloat p,k,t;
\nprintf(«Kakov pervonachal’nyj ob`m lesa (v kubometrah)? «);
\nscanf(«%f»,&p);
\nprintf(«Kakov ezhegodnyj prirost lesa (v protsentah)? «);
\nscanf(«%f»,&k);
\nprintf(«Godovoj plan lesozagotovki (v kubometrah): «);
\nscanf(«%f»,&t);
\nk=1.0+k\/100;
\nwhile(p>0)
\n{
\np=p*k-t;
\nn++;
\n}
\nprintf(«Les budet vyrublen polnost’yu cherez %u let»,n);
\ngetch();
\n}<\/p>\n

3-004.cpp<\/strong><\/p>\n

\/\/N detalej dolzhny projti obrabotku na tr`h stankah; skol’ko vremeni zajm`t obrabotka
\n\/\/vseh detalej, esli dlya kazhdoj detali vvoditsya vremya obrabotki na tr`h stankah<\/p>\n

#include <stdio.h>
\n#include <conio.h>
\nvoid main()<\/p>\n

{
\nclrscr();
\nunsigned i,n;
\nfloat t1,t2,t3,s=0;
\nprintf(«Skol’ko detalej nuzhno obrabotat’? «);
\nscanf(«%u»,&n);
\nprintf(«Vvedite vremya obrabotki na kazhdom stanke dlya kazhdoj detali (v minutah):\\n»);
\nfor(i=1;i<=n;i++)
\n{
\nprintf(«Detal’ N%u> «,i);
\nscanf(«%f%f%f»,&t1,&t2,&t3);
\ns+=t1+t2+t3;
\n}
\nprintf(«Obschee vremya obrabotki vseh detalej — %f.0 minut»,s);
\ngetch();<\/p>\n","protected":false},"excerpt":{"rendered":"

3-045.cpp \/\/najti summu N-znachnyh chisel (1<=n<=4), kratnyh K #include <stdio.h> #include <conio.h> void main()<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"_links":{"self":[{"href":"https:\/\/studentpmr.ru\/index.php?rest_route=\/wp\/v2\/posts\/25335"}],"collection":[{"href":"https:\/\/studentpmr.ru\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/studentpmr.ru\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/studentpmr.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/studentpmr.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25335"}],"version-history":[{"count":3,"href":"https:\/\/studentpmr.ru\/index.php?rest_route=\/wp\/v2\/posts\/25335\/revisions"}],"predecessor-version":[{"id":25341,"href":"https:\/\/studentpmr.ru\/index.php?rest_route=\/wp\/v2\/posts\/25335\/revisions\/25341"}],"wp:attachment":[{"href":"https:\/\/studentpmr.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/studentpmr.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/studentpmr.ru\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}